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:
Cariba Heine
Table title:
Filmography
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Year </th><th colspan=1 rowspan=1 > Title </th><th colspan=1 rowspan=1 > Role </th><th colspan=1 rowspan=1 > Notes </th></tr>
<tr> <td colspan=1 rowspan=1 > 2003 </td><td colspan=1 rowspan=1 > Ballistic Sessions </td><td colspan=1 rowspan=1 > Amanda </td><td colspan=1 rowspan=1 > Short film </td></tr>
<tr> <td colspan=1 rowspan=1 > 2005 </td><td colspan=1 rowspan=1 > Strictly Dancing </td><td colspan=1 rowspan=1 > Herself </td><td colspan=1 rowspan=1 > Episode: "Heat 12" </td></tr>
<tr> <td colspan=1 rowspan=1 > 2006–10 </td><td class="highlighted"  colspan=1 rowspan=1 > H2O: Just Add Water </td><td class="highlighted"  colspan=1 rowspan=1 > Rikki Chadwick </td><td colspan=1 rowspan=1 > Main role (78 episodes) </td></tr>
<tr> <td colspan=1 rowspan=1 > 2007 </td><td colspan=1 rowspan=1 > Stupid, Stupid Man </td><td colspan=1 rowspan=1 > Mindy </td><td colspan=1 rowspan=1 > Episode: "The Boyfriend" </td></tr>
<tr> <td colspan=1 rowspan=1 > 2008 </td><td colspan=1 rowspan=1 > Blue Water High </td><td colspan=1 rowspan=1 > Bridget Sanchez </td><td colspan=1 rowspan=1 > Main role (series 3; 25 episodes) </td></tr>
<tr> <td colspan=1 rowspan=1 > 2009 </td><td colspan=1 rowspan=1 > The Pacific </td><td colspan=1 rowspan=1 > Phyllis </td><td colspan=1 rowspan=1 > Episode: "Home" </td></tr>
<tr> <td colspan=1 rowspan=1 > 2009 </td><td colspan=1 rowspan=1 > A Model Daughter: The Killing of Caroline Byrne </td><td colspan=1 rowspan=1 > Caroline Byrne </td><td colspan=1 rowspan=1 > Television film </td></tr>
<tr> <td colspan=1 rowspan=1 > 2009 </td><td colspan=1 rowspan=1 > At the Tattooist </td><td colspan=1 rowspan=1 > Alex </td><td colspan=1 rowspan=1 > Short film </td></tr>
<tr> <td colspan=1 rowspan=1 > 2010–13 </td><td colspan=1 rowspan=1 > Dance Academy </td><td colspan=1 rowspan=1 > Isabelle </td><td colspan=1 rowspan=1 > Recurring role (9 episodes) </td></tr>
<tr> <td colspan=1 rowspan=1 > 2010–13 </td><td colspan=1 rowspan=1 > The Future Machine </td><td colspan=1 rowspan=1 > Kate Hill </td><td colspan=1 rowspan=1 > Web series </td></tr>
<tr> <td colspan=1 rowspan=1 > 2011 </td><td colspan=1 rowspan=1 > Blood Brothers </td><td colspan=1 rowspan=1 > Ellie Carter </td><td colspan=1 rowspan=1 > Television film </td></tr>
<tr> <td colspan=1 rowspan=1 > 2012 </td><td colspan=1 rowspan=1 > Quietus </td><td colspan=1 rowspan=1 > Alex </td><td colspan=1 rowspan=1 > Short film </td></tr>
<tr> <td colspan=1 rowspan=1 > 2012 </td><td colspan=1 rowspan=1 > Bait 3D </td><td colspan=1 rowspan=1 > Heather </td><td colspan=1 rowspan=1 > Film </td></tr>
<tr> <td colspan=1 rowspan=1 > 2012 </td><td colspan=1 rowspan=1 > Howzat! Kerry Packer's War </td><td colspan=1 rowspan=1 > Delvene Delaney </td><td colspan=1 rowspan=1 > Television miniseries </td></tr>
<tr> <td colspan=1 rowspan=1 > 2014 </td><td colspan=1 rowspan=1 > Friendly Advice </td><td colspan=1 rowspan=1 > Faith </td><td colspan=1 rowspan=1 > Web series; 2 episodes </td></tr>
<tr> <td colspan=1 rowspan=1 > 2015 </td><td colspan=1 rowspan=1 > Hiding </td><td colspan=1 rowspan=1 > Harriet </td><td colspan=1 rowspan=1 > 4 episodes </td></tr>
<tr> <td colspan=1 rowspan=1 > 2016 </td><td colspan=1 rowspan=1 > Adopted </td><td colspan=1 rowspan=1 > Harriet </td><td colspan=1 rowspan=1 > Web series; episodes: "Music, Virgins, and Prawns", "Kofi's Choice" </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 2016 </td><td class="highlighted"  colspan=1 rowspan=1 > Mako: Island of Secrets </td><td class="highlighted"  colspan=1 rowspan=1 > Rikki Chadwick </td><td class="highlighted"  colspan=1 rowspan=1 > Episodes: "The Legend of Jiao Long", "Homecoming" </td></tr>
<tr> <td colspan=1 rowspan=1 > 2016 </td><td colspan=1 rowspan=1 > How'd I Get In This Field </td><td colspan=1 rowspan=1 > Ashley </td><td colspan=1 rowspan=1 > Short film </td></tr>
<tr> <td colspan=1 rowspan=1 > 2016 </td><td colspan=1 rowspan=1 > Rough Sweat </td><td colspan=1 rowspan=1 > June </td><td colspan=1 rowspan=1 > Short film </td></tr>
<tr> <td colspan=1 rowspan=1 > 2017 </td><td colspan=1 rowspan=1 > Designated Survivor </td><td colspan=1 rowspan=1 > Peyton Lane </td><td colspan=1 rowspan=1 > Episodes: "Suckers", "Two Ships", "Family Ties" </td></tr>
<tr> <td colspan=1 rowspan=1 > 2018 </td><td colspan=1 rowspan=1 > Home and Away </td><td colspan=1 rowspan=1 > Ebony </td><td colspan=1 rowspan=1 >  </td></tr>
</table>
Question:
What was a role Heine played in 2016?
Answer:
In 2016, Heine reprised her role as Rikki Chadwick in two episodes of the series of Mako: Island of Secrets.