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:
The World's Billionaires
Table title:
Statistics
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Year </th><th colspan=1 rowspan=1 > Number of billionaires </th><th colspan=1 rowspan=1 > Group's combined net worth </th></tr>
<tr> <td colspan=1 rowspan=1 > 2018 </td><td colspan=1 rowspan=1 > 2,208 </td><td colspan=1 rowspan=1 > $9.1 trillion </td></tr>
<tr> <td colspan=1 rowspan=1 > 2017 </td><td class="highlighted"  colspan=1 rowspan=1 > 2,043 </td><td colspan=1 rowspan=1 > $7.7 trillion </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 2016 </td><td class="highlighted"  colspan=1 rowspan=1 > 1,810 </td><td colspan=1 rowspan=1 > $6.5 trillion </td></tr>
<tr> <td colspan=1 rowspan=1 > 2015 </td><td colspan=1 rowspan=1 > 1,826 </td><td colspan=1 rowspan=1 > $7.1 trillion </td></tr>
<tr> <td colspan=1 rowspan=1 > 2014 </td><td colspan=1 rowspan=1 > 1,645 </td><td colspan=1 rowspan=1 > $6.4 trillion </td></tr>
<tr> <td colspan=1 rowspan=1 > 2013 </td><td colspan=1 rowspan=1 > 1,426 </td><td colspan=1 rowspan=1 > $5.4 trillion </td></tr>
<tr> <td colspan=1 rowspan=1 > 2012 </td><td colspan=1 rowspan=1 > 1,226 </td><td colspan=1 rowspan=1 > $4.6 trillion </td></tr>
<tr> <td colspan=1 rowspan=1 > 2011 </td><td colspan=1 rowspan=1 > 1,210 </td><td colspan=1 rowspan=1 > $4.5 trillion </td></tr>
<tr> <td colspan=1 rowspan=1 > 2010 </td><td colspan=1 rowspan=1 > 1,011 </td><td colspan=1 rowspan=1 > $3.6 trillion </td></tr>
<tr> <td colspan=1 rowspan=1 > 2009 </td><td colspan=1 rowspan=1 > 793 </td><td colspan=1 rowspan=1 > $2.4 trillion </td></tr>
<tr> <td colspan=1 rowspan=1 > 2008 </td><td colspan=1 rowspan=1 > 1,125 </td><td colspan=1 rowspan=1 > $4.4 trillion </td></tr>
<tr> <td colspan=1 rowspan=1 > 2007 </td><td colspan=1 rowspan=1 > 946 </td><td colspan=1 rowspan=1 > $3.5 trillion </td></tr>
<tr> <td colspan=1 rowspan=1 > 2006 </td><td colspan=1 rowspan=1 > 793 </td><td colspan=1 rowspan=1 > $2.6 trillion </td></tr>
<tr> <td colspan=1 rowspan=1 > 2005 </td><td colspan=1 rowspan=1 > 691 </td><td colspan=1 rowspan=1 > $2.2 trillion </td></tr>
<tr> <td colspan=1 rowspan=1 > 2004 </td><td colspan=1 rowspan=1 > 587 </td><td colspan=1 rowspan=1 > $1.9 trillion </td></tr>
<tr> <td colspan=1 rowspan=1 > 2003 </td><td colspan=1 rowspan=1 > 476 </td><td colspan=1 rowspan=1 > $1.4 trillion </td></tr>
<tr> <td colspan=1 rowspan=1 > 2002 </td><td colspan=1 rowspan=1 > 497 </td><td colspan=1 rowspan=1 > $1.5 trillion </td></tr>
<tr> <td colspan=1 rowspan=1 > 2001 </td><td colspan=1 rowspan=1 > 538 </td><td colspan=1 rowspan=1 > $1.8 trillion </td></tr>
<tr> <td colspan=1 rowspan=1 > 2000 </td><td colspan=1 rowspan=1 > 470 </td><td colspan=1 rowspan=1 > $898 billion </td></tr>
</table>
Question:
What year did the number of billionaires increase to 2,043 from 1,810 ?
Answer:
The number of billionaires increased to 2,043 from 1,810 in 2016.