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:
Rae Morris
Table title:
Singles
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=2 > Year </th><th colspan=1 rowspan=2 > Title </th><th colspan=1 rowspan=1 > Peak chart positions </th><th colspan=1 rowspan=2 > Album </th></tr>
<tr> <th colspan=1 rowspan=1 > UK </th></tr>
<tr> <td colspan=1 rowspan=2 > 2012 </td><th colspan=1 rowspan=1 > "Don't Go" </th><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=2 > Unguarded </td></tr>
<tr> <th colspan=1 rowspan=1 > "Grow" </th><td colspan=1 rowspan=1 > — </td></tr>
<tr> <td colspan=1 rowspan=1 > 2013 </td><th colspan=1 rowspan=1 > "From Above" </th><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > Non-album single </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=3 > 2014 </td><th class="highlighted"  colspan=1 rowspan=1 > "Do You Even Know?" </th><td colspan=1 rowspan=1 > — </td><td class="highlighted"  colspan=1 rowspan=5 > Unguarded </td></tr>
<tr> <th class="highlighted"  colspan=1 rowspan=1 > "Cold" (featuring Fryars) </th><td colspan=1 rowspan=1 > — </td></tr>
<tr> <th class="highlighted"  colspan=1 rowspan=1 > "Closer" </th><td colspan=1 rowspan=1 > — </td></tr>
<tr> <td colspan=1 rowspan=2 > 2015 </td><th colspan=1 rowspan=1 > "Under the Shadows" </th><td colspan=1 rowspan=1 > 53 </td></tr>
<tr> <th colspan=1 rowspan=1 > "Love Again" </th><td colspan=1 rowspan=1 > 83 </td></tr>
<tr> <td colspan=1 rowspan=3 > 2017 </td><th colspan=1 rowspan=1 > "Reborn" </th><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=7 > Someone Out There </td></tr>
<tr> <th colspan=1 rowspan=1 > "Do It" </th><td colspan=1 rowspan=1 > — </td></tr>
<tr> <th colspan=1 rowspan=1 > "Atletico (The Only One)" </th><td colspan=1 rowspan=1 > — </td></tr>
<tr> <td colspan=1 rowspan=4 > 2018 </td><th colspan=1 rowspan=1 > "Push Me To My Limit" </th><td colspan=1 rowspan=1 > — </td></tr>
<tr> <th colspan=1 rowspan=1 > "Lower The Tone" </th><td colspan=1 rowspan=1 > — </td></tr>
<tr> <th colspan=1 rowspan=1 > "Someone Out There </th><td colspan=1 rowspan=1 > — </td></tr>
<tr> <th colspan=1 rowspan=1 > "Dancing With Character" </th><td colspan=1 rowspan=1 > — </td></tr>
<tr> <td colspan=20 rowspan=1 > "—" denotes a single that did not chart or was not released. </td></tr>
</table>
Question:
What year did Morris released the singles "Do You Even Know?", "Cold" (featuring Fryars), and "Closer"?
Answer:
During 2014, Morris released the singles "Do You Even Know?", "Cold" (featuring Fryars), and "Closer" to promote her debut album, Unguarded.