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:
Subaru Tribeca
Table title:
Drivetrain
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Year </th><th colspan=1 rowspan=1 > U.S. Sales </th><th colspan=1 rowspan=1 > Canadian Sales </th></tr>
<tr> <th colspan=1 rowspan=1 > 2005 </th><td colspan=1 rowspan=1 > 14,797 </td><td colspan=1 rowspan=1 > 804 </td></tr>
<tr> <th colspan=1 rowspan=1 > 2006 </th><td colspan=1 rowspan=1 > 18,614 </td><td colspan=1 rowspan=1 > 902 </td></tr>
<tr> <th colspan=1 rowspan=1 > 2007 </th><td colspan=1 rowspan=1 > 16,790 </td><td colspan=1 rowspan=1 > 801 </td></tr>
<tr> <th colspan=1 rowspan=1 > 2008 </th><td colspan=1 rowspan=1 > 10,975 </td><td colspan=1 rowspan=1 > 925 </td></tr>
<tr> <th colspan=1 rowspan=1 > 2009 </th><td colspan=1 rowspan=1 > 5,930 </td><td colspan=1 rowspan=1 > 588 </td></tr>
<tr> <th colspan=1 rowspan=1 > 2010 </th><td colspan=1 rowspan=1 > 2,472 </td><td colspan=1 rowspan=1 > 536 </td></tr>
<tr> <th colspan=1 rowspan=1 > 2011 </th><td colspan=1 rowspan=1 > 2,791 </td><td colspan=1 rowspan=1 > 460 </td></tr>
<tr> <th class="highlighted"  colspan=1 rowspan=1 > 2012 </th><td class="highlighted"  colspan=1 rowspan=1 > 2,075 </td><td colspan=1 rowspan=1 > 390 </td></tr>
<tr> <th class="highlighted"  colspan=1 rowspan=1 > 2013 </th><td class="highlighted"  colspan=1 rowspan=1 > 1,598 </td><td colspan=1 rowspan=1 > 234 </td></tr>
<tr> <th colspan=1 rowspan=1 > 2014 </th><td colspan=1 rowspan=1 > 732 </td><td colspan=1 rowspan=1 > 120 </td></tr>
<tr> <th colspan=1 rowspan=1 > 2015 </th><td colspan=1 rowspan=1 > – </td><td colspan=1 rowspan=1 > 5 </td></tr>
<tr> <th colspan=1 rowspan=1 > Total </th><th colspan=1 rowspan=1 > 76,774 </th><th colspan=1 rowspan=1 > 5,765 </th></tr>
<tr> <td colspan=3 rowspan=1 > Notes: Data from the final eight months of calendar year 2005 </td></tr>
</table>
Question:
How many units did the Subaru Tribeca sold in 2013 and how does that compare to its sales in 2012?
Answer:
In 2013, the Subaru Tribeca sold only 1,598 units in the United States down from 2012.