Please read the following table in HTML format from a webpage and then answer the question in detail according to the table. Each table cell is defined by a <td> and a </td> tag. Each table row starts with a <tr> and ends with a </tr> tag. 'rowspan=m' and 'colspan=n' represents a cell spaning over 'm' rows and 'n' columns.

Webpage title:
En+ Group
Table title:
Key figures
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 >  </th><th colspan=1 rowspan=1 > Measurement unit </th><th colspan=1 rowspan=1 > 9M2018 </th><th colspan=1 rowspan=1 > 9M2017 </th><th colspan=1 rowspan=1 > FY2017 </th><th colspan=1 rowspan=1 > FY2016 </th></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Aluminium production </td><td class="highlighted"  colspan=1 rowspan=1 > Tonnes, 000 </td><td colspan=1 rowspan=1 > 2,810 </td><td colspan=1 rowspan=1 > 2,762 </td><td class="highlighted"  colspan=1 rowspan=1 > 3,707 </td><td colspan=1 rowspan=1 > 3,685 </td></tr>
<tr> <td colspan=1 rowspan=1 > Primary aluminium and alloy sales </td><td colspan=1 rowspan=1 > Tonnes, 000 </td><td colspan=1 rowspan=1 > 2,794 </td><td colspan=1 rowspan=1 > 2,955 </td><td colspan=1 rowspan=1 > 3,955 </td><td colspan=1 rowspan=1 > 3,818 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Alumina production </td><td class="highlighted"  colspan=1 rowspan=1 > Tonnes, 000 </td><td colspan=1 rowspan=1 > 5,816 </td><td colspan=1 rowspan=1 > 5,782 </td><td class="highlighted"  colspan=1 rowspan=1 > 7,773 </td><td colspan=1 rowspan=1 > 7,527 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Bauxite production </td><td class="highlighted"  colspan=1 rowspan=1 > Tonnes, 000 </td><td colspan=1 rowspan=1 > 10,128 </td><td colspan=1 rowspan=1 > 8,701 </td><td class="highlighted"  colspan=1 rowspan=1 > 11,645 </td><td colspan=1 rowspan=1 > 12,187 </td></tr>
<tr> <td colspan=1 rowspan=1 > Total electricity generation </td><td colspan=1 rowspan=1 > TWh </td><td colspan=1 rowspan=1 > 53,2 </td><td colspan=1 rowspan=1 > 50,4 </td><td colspan=1 rowspan=1 > 68,4 </td><td colspan=1 rowspan=1 > 69,5 </td></tr>
<tr> <td colspan=1 rowspan=1 > Total heat generation </td><td colspan=1 rowspan=1 > Gcal, 000 </td><td colspan=1 rowspan=1 > 18,4 </td><td colspan=1 rowspan=1 > 17,5 </td><td colspan=1 rowspan=1 > 26,7 </td><td colspan=1 rowspan=1 > 27,4 </td></tr>
</table>
Question:
What are the production volumes of raw materials?
Answer:
En+ Group produced 3,707 tonnes of aluminium, 7,773 tonnes of alumina and 11,645 tonnes of bauxites.