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:
Times Higher Education World University Rankings
Table title:
Criteria and weighting
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Overall indicator </th><th colspan=1 rowspan=1 > Individual indicator </th><th colspan=1 rowspan=1 > Percentage weighting </th></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Industry Income – innovation </td><td colspan=1 rowspan=1 > Research income from industry (per academic staff) </td><td class="highlighted"  colspan=1 rowspan=1 > 2.5% </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > International diversity </td><td colspan=1 rowspan=1 > Ratio of international to domestic staff Ratio of international to domestic students </td><td class="highlighted"  colspan=1 rowspan=1 > 3% 2% </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Teaching – the learning environment </td><td colspan=1 rowspan=1 > Reputational survey (teaching) PhDs awards per academic Undergrad. admitted per academic Income per academic PhDs/undergraduate degrees awarded </td><td class="highlighted"  colspan=1 rowspan=1 > 15% 6% 4.5% 2.25% 2.25% </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Research – volume, income and reputation </td><td colspan=1 rowspan=1 > Reputational survey (research) Research income (scaled) Papers per research and academic staff Public research income/ total research income </td><td class="highlighted"  colspan=1 rowspan=1 > 19.5% 5.25% 4.5% 0.75% </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Citations – research influence </td><td colspan=1 rowspan=1 > Citation impact (normalised average citation per paper) </td><td class="highlighted"  colspan=1 rowspan=1 > 32.5% </td></tr>
</table>
Question:
What indicators determine the Times Higher Education World University Rankings?
Answer:
The indicators are grouped under five categories: Teaching (30 percent of final score), research (30 percent), citations (research impact) (worth 32.5 percent), international mix (5 percent), industry income (2.5 percent).