<data xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<row _id="1"><PISA_Cycle>PISA 2003</PISA_Cycle><Mathematicals_Proficiency>ต่ำกว่าระดับ 1 (น้อยกว่า 357.77 
คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>23.8</Percentage_of_ Student></row>
<row _id="2"><PISA_Cycle>PISA 2003</PISA_Cycle><Mathematicals_Proficiency>ระดับ 1 (357.77 – 420.07 คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>30.2</Percentage_of_ Student></row>
<row _id="3"><PISA_Cycle>PISA 2003</PISA_Cycle><Mathematicals_Proficiency>ระดับ 2 (420.07 – 482.38 คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>25.4</Percentage_of_ Student></row>
<row _id="4"><PISA_Cycle>PISA 2003</PISA_Cycle><Mathematicals_Proficiency>ระดับ 3 (482.38 – 544.68 คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>13.7</Percentage_of_ Student></row>
<row _id="5"><PISA_Cycle>PISA 2003</PISA_Cycle><Mathematicals_Proficiency>ระดับ 4 (544.68 – 606.99 คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>5.3</Percentage_of_ Student></row>
<row _id="6"><PISA_Cycle>PISA 2003</PISA_Cycle><Mathematicals_Proficiency>ระดับ 5 (606.99 – 699.30 คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>1.5</Percentage_of_ Student></row>
<row _id="7"><PISA_Cycle>PISA 2003</PISA_Cycle><Mathematicals_Proficiency>ระดับ 6 (มากกว่า 699.30 คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>0.2</Percentage_of_ Student></row>
<row _id="8"><PISA_Cycle>PISA 2006</PISA_Cycle><Mathematicals_Proficiency>ต่ำกว่าระดับ 1 (น้อยกว่า 357.77 
คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>23.3</Percentage_of_ Student></row>
<row _id="9"><PISA_Cycle>PISA 2006</PISA_Cycle><Mathematicals_Proficiency>ระดับ 1 (357.77 – 420.07 คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>29.7</Percentage_of_ Student></row>
<row _id="10"><PISA_Cycle>PISA 2006</PISA_Cycle><Mathematicals_Proficiency>ระดับ 2 (420.07 – 482.38 คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>26.4</Percentage_of_ Student></row>
<row _id="11"><PISA_Cycle>PISA 2006</PISA_Cycle><Mathematicals_Proficiency>ระดับ 3 (482.38 – 544.68 คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>14.0</Percentage_of_ Student></row>
<row _id="12"><PISA_Cycle>PISA 2006</PISA_Cycle><Mathematicals_Proficiency>ระดับ 4 (544.68 – 606.99 คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>5.3</Percentage_of_ Student></row>
<row _id="13"><PISA_Cycle>PISA 2006</PISA_Cycle><Mathematicals_Proficiency>ระดับ 5 (606.99 – 699.30 คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>1.1</Percentage_of_ Student></row>
<row _id="14"><PISA_Cycle>PISA 2006</PISA_Cycle><Mathematicals_Proficiency>ระดับ 6 (มากกว่า 699.30 คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>0.2</Percentage_of_ Student></row>
<row _id="15"><PISA_Cycle>PISA 2009</PISA_Cycle><Mathematicals_Proficiency>ต่ำกว่าระดับ 1 (น้อยกว่า 357.77 
คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>22.1</Percentage_of_ Student></row>
<row _id="16"><PISA_Cycle>PISA 2009</PISA_Cycle><Mathematicals_Proficiency>ระดับ 1 (357.77 – 420.07 คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>30.4</Percentage_of_ Student></row>
<row _id="17"><PISA_Cycle>PISA 2009</PISA_Cycle><Mathematicals_Proficiency>ระดับ 2 (420.07 – 482.38 คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>27.3</Percentage_of_ Student></row>
<row _id="18"><PISA_Cycle>PISA 2009</PISA_Cycle><Mathematicals_Proficiency>ระดับ 3 (482.38 – 544.68 คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>14.0</Percentage_of_ Student></row>
<row _id="19"><PISA_Cycle>PISA 2009</PISA_Cycle><Mathematicals_Proficiency>ระดับ 4 (544.68 – 606.99 คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>4.9</Percentage_of_ Student></row>
<row _id="20"><PISA_Cycle>PISA 2009</PISA_Cycle><Mathematicals_Proficiency>ระดับ 5 (606.99 – 699.30 คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>1.0</Percentage_of_ Student></row>
<row _id="21"><PISA_Cycle>PISA 2009</PISA_Cycle><Mathematicals_Proficiency>ระดับ 6 (มากกว่า 699.30 คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>0.3</Percentage_of_ Student></row>
<row _id="22"><PISA_Cycle>PISA 2012</PISA_Cycle><Mathematicals_Proficiency>ต่ำกว่าระดับ 1 (น้อยกว่า 357.77 
คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>19.1</Percentage_of_ Student></row>
<row _id="23"><PISA_Cycle>PISA 2012</PISA_Cycle><Mathematicals_Proficiency>ระดับ 1 (357.77 – 420.07 คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>30.6</Percentage_of_ Student></row>
<row _id="24"><PISA_Cycle>PISA 2012</PISA_Cycle><Mathematicals_Proficiency>ระดับ 2 (420.07 – 482.38 คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>27.3</Percentage_of_ Student></row>
<row _id="25"><PISA_Cycle>PISA 2012</PISA_Cycle><Mathematicals_Proficiency>ระดับ 3 (482.38 – 544.68 คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>14.5</Percentage_of_ Student></row>
<row _id="26"><PISA_Cycle>PISA 2012</PISA_Cycle><Mathematicals_Proficiency>ระดับ 4 (544.68 – 606.99 คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>5.8</Percentage_of_ Student></row>
<row _id="27"><PISA_Cycle>PISA 2012</PISA_Cycle><Mathematicals_Proficiency>ระดับ 5 (606.99 – 699.30 คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>2.0</Percentage_of_ Student></row>
<row _id="28"><PISA_Cycle>PISA 2012</PISA_Cycle><Mathematicals_Proficiency>ระดับ 6 (มากกว่า 699.30 คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>0.5</Percentage_of_ Student></row>
<row _id="29"><PISA_Cycle>PISA 2015</PISA_Cycle><Mathematicals_Proficiency>ต่ำกว่าระดับ 1 (น้อยกว่า 357.77 
คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>24.2</Percentage_of_ Student></row>
<row _id="30"><PISA_Cycle>PISA 2015</PISA_Cycle><Mathematicals_Proficiency>ระดับ 1 (357.77 – 420.07 คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>29.6</Percentage_of_ Student></row>
<row _id="31"><PISA_Cycle>PISA 2015</PISA_Cycle><Mathematicals_Proficiency>ระดับ 2 (420.07 – 482.38 คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>26.1</Percentage_of_ Student></row>
<row _id="32"><PISA_Cycle>PISA 2015</PISA_Cycle><Mathematicals_Proficiency>ระดับ 3 (482.38 – 544.68 คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>13.8</Percentage_of_ Student></row>
<row _id="33"><PISA_Cycle>PISA 2015</PISA_Cycle><Mathematicals_Proficiency>ระดับ 4 (544.68 – 606.99 คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>4.8</Percentage_of_ Student></row>
<row _id="34"><PISA_Cycle>PISA 2015</PISA_Cycle><Mathematicals_Proficiency>ระดับ 5 (606.99 – 699.30 คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>1.2</Percentage_of_ Student></row>
<row _id="35"><PISA_Cycle>PISA 2015</PISA_Cycle><Mathematicals_Proficiency>ระดับ 6 (มากกว่า 699.30 คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>0.2</Percentage_of_ Student></row>
<row _id="36"><PISA_Cycle>PISA 2018</PISA_Cycle><Mathematicals_Proficiency>ต่ำกว่าระดับ 1 (น้อยกว่า 357.77 
คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>25.0</Percentage_of_ Student></row>
<row _id="37"><PISA_Cycle>PISA 2018</PISA_Cycle><Mathematicals_Proficiency>ระดับ 1 (357.77 – 420.07 คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>27.7</Percentage_of_ Student></row>
<row _id="38"><PISA_Cycle>PISA 2018</PISA_Cycle><Mathematicals_Proficiency>ระดับ 2 (420.07 – 482.38 คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>24.6</Percentage_of_ Student></row>
<row _id="39"><PISA_Cycle>PISA 2018</PISA_Cycle><Mathematicals_Proficiency>ระดับ 3 (482.38 – 544.68 คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>14.3</Percentage_of_ Student></row>
<row _id="40"><PISA_Cycle>PISA 2018</PISA_Cycle><Mathematicals_Proficiency>ระดับ 4 (544.68 – 606.99 คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>6.1</Percentage_of_ Student></row>
<row _id="41"><PISA_Cycle>PISA 2018</PISA_Cycle><Mathematicals_Proficiency>ระดับ 5 (606.99 – 699.30 คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>1.9</Percentage_of_ Student></row>
<row _id="42"><PISA_Cycle>PISA 2018</PISA_Cycle><Mathematicals_Proficiency>ระดับ 6 (มากกว่า 699.30 คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>0.3</Percentage_of_ Student></row>
<row _id="43"><PISA_Cycle>PISA 2022</PISA_Cycle><Mathematicals_Proficiency>ต่ำกว่าระดับ 1c
(น้อยกว่า 233.17 
คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>0.4590253334079873</Percentage_of_ Student></row>
<row _id="44"><PISA_Cycle>PISA 2022</PISA_Cycle><Mathematicals_Proficiency>ระดับ 1c (233.17 – 295.47 คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>6.6149484754164</Percentage_of_ Student></row>
<row _id="45"><PISA_Cycle>PISA 2022</PISA_Cycle><Mathematicals_Proficiency>ระดับ 1b (295.47 – 357.77 คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>26.98193503402447</Percentage_of_ Student></row>
<row _id="46"><PISA_Cycle>PISA 2022</PISA_Cycle><Mathematicals_Proficiency>ระดับ 1a (357.77 – 420.07 คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>34.227090820507726</Percentage_of_ Student></row>
<row _id="47"><PISA_Cycle>PISA 2022</PISA_Cycle><Mathematicals_Proficiency>ระดับ 2 (420.07 – 482.38 คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>19.37508212622177</Percentage_of_ Student></row>
<row _id="48"><PISA_Cycle>PISA 2022</PISA_Cycle><Mathematicals_Proficiency>ระดับ 3 (482.38 – 544.68 คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>8.129226835503044</Percentage_of_ Student></row>
<row _id="49"><PISA_Cycle>PISA 2022</PISA_Cycle><Mathematicals_Proficiency>ระดับ 4 (544.68 – 606.99 คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>3.16558403308795</Percentage_of_ Student></row>
<row _id="50"><PISA_Cycle>PISA 2022</PISA_Cycle><Mathematicals_Proficiency>ระดับ 5 (606.99 – 699.30 คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>0.8374853601318233</Percentage_of_ Student></row>
<row _id="51"><PISA_Cycle>PISA 2022</PISA_Cycle><Mathematicals_Proficiency>ระดับ 6 
(มากกว่า 699.30 คะแนน)</Mathematicals_Proficiency><Percentage_of_ Student>0.20962198169883758</Percentage_of_ Student></row>
</data>
