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:
Davron Erghashev
Table title:
Club
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=3 rowspan=1 > Club performance </th><th colspan=2 rowspan=1 > League </th><th colspan=2 rowspan=1 > Cup </th><th colspan=2 rowspan=1 > Continental </th><th colspan=2 rowspan=1 > Other </th><th colspan=2 rowspan=1 > Total </th></tr>
<tr> <th colspan=1 rowspan=1 > Season </th><th colspan=1 rowspan=1 > Club </th><th colspan=1 rowspan=1 > League </th><th colspan=1 rowspan=1 > Apps </th><th colspan=1 rowspan=1 > Goals </th><th colspan=1 rowspan=1 > Apps </th><th colspan=1 rowspan=1 > Goals </th><th colspan=1 rowspan=1 > Apps </th><th colspan=1 rowspan=1 > Goals </th><th colspan=1 rowspan=1 > Apps </th><th colspan=1 rowspan=1 > Goals </th><th colspan=1 rowspan=1 > Apps </th><th colspan=1 rowspan=1 > Goals </th></tr>
<tr> <td colspan=1 rowspan=1 > Zhetysu </td><td colspan=1 rowspan=1 > 2013 </td><td colspan=1 rowspan=1 > Kazakhstan Premier League </td><td colspan=1 rowspan=1 > 28 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=2 rowspan=1 >  </td><td colspan=1 rowspan=1 > 28 </td><td colspan=1 rowspan=1 > 1 </td></tr>
<tr> <td colspan=1 rowspan=1 > Gabala </td><td colspan=1 rowspan=1 > 2013–14 </td><td colspan=1 rowspan=1 > Azerbaijan Premier League </td><td colspan=1 rowspan=1 > 9 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 4 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=2 rowspan=1 >  </td><td colspan=1 rowspan=1 > 13 </td><td colspan=1 rowspan=1 > 0 </td></tr>
<tr> <td colspan=1 rowspan=3 > Zhetysu </td><td colspan=1 rowspan=1 > 2014 </td><td colspan=1 rowspan=2 > Kazakhstan Premier League </td><td colspan=1 rowspan=1 > 12 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=2 rowspan=1 >  </td><td colspan=1 rowspan=1 > 12 </td><td colspan=1 rowspan=1 > 0 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2015 </td><td colspan=1 rowspan=1 > 18 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=2 rowspan=1 >  </td><td colspan=1 rowspan=1 > 18 </td><td colspan=1 rowspan=1 > 0 </td></tr>
<tr> <th colspan=2 rowspan=1 > Total </th><th colspan=1 rowspan=1 > 30 </th><th colspan=1 rowspan=1 > 0 </th><th colspan=1 rowspan=1 > 0 </th><th colspan=1 rowspan=1 > 0 </th><th colspan=1 rowspan=1 >  </th><th colspan=1 rowspan=1 >  </th><th colspan=1 rowspan=1 >  </th><th colspan=1 rowspan=1 >  </th><th colspan=1 rowspan=1 > 30 </th><th colspan=1 rowspan=1 > 0 </th></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Istiklol </td><td class="highlighted"  colspan=1 rowspan=1 > 2016 </td><td colspan=1 rowspan=1 > Tajik League </td><td colspan=1 rowspan=1 > 6 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 4 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > 11 </td><td colspan=1 rowspan=1 > 1 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=3 > Taraz </td><td class="highlighted"  colspan=1 rowspan=1 > 2016 </td><td class="highlighted"  colspan=1 rowspan=2 > Kazakhstan Premier League </td><td colspan=1 rowspan=1 > 14 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=2 rowspan=1 >  </td><td colspan=1 rowspan=1 > 14 </td><td colspan=1 rowspan=1 > 1 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2017 </td><td colspan=1 rowspan=1 > 20 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=2 rowspan=1 >  </td><td colspan=1 rowspan=1 > 21 </td><td colspan=1 rowspan=1 > 0 </td></tr>
<tr> <th colspan=2 rowspan=1 > Total </th><th colspan=1 rowspan=1 > 34 </th><th colspan=1 rowspan=1 > 1 </th><th colspan=1 rowspan=1 > 1 </th><th colspan=1 rowspan=1 > 0 </th><th colspan=1 rowspan=1 >  </th><th colspan=1 rowspan=1 >  </th><th colspan=1 rowspan=1 >  </th><th colspan=1 rowspan=1 >  </th><th colspan=1 rowspan=1 > 35 </th><th colspan=1 rowspan=1 > 1 </th></tr>
<tr> <td colspan=1 rowspan=1 > Istiklol </td><td colspan=1 rowspan=1 > 2018 </td><td colspan=1 rowspan=1 > Tajik League </td><td colspan=1 rowspan=1 > 5 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 6 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 0 </td><td colspan=1 rowspan=1 > 11 </td><td colspan=1 rowspan=1 > 0 </td></tr>
<tr> <th colspan=3 rowspan=1 > Career total </th><th colspan=1 rowspan=1 > 112 </th><th colspan=1 rowspan=1 > 2 </th><th colspan=1 rowspan=1 > 5 </th><th colspan=1 rowspan=1 > 0 </th><th colspan=1 rowspan=1 > 10 </th><th colspan=1 rowspan=1 > 0 </th><th colspan=1 rowspan=1 > 1 </th><th colspan=1 rowspan=1 > 1 </th><th colspan=1 rowspan=1 > 128 </th><th colspan=1 rowspan=1 > 3 </th></tr>
</table>
Question:
In what year did Ergashev return to Taraz?
Answer:
In 2016, Ergashev left Istiklol, returned to the Kazakhstan Premier League for Taraz.