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:
King Flower
Table title:
Episode ratings
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Date of Broadcast </th><th colspan=1 rowspan=1 > Episode </th><th colspan=1 rowspan=1 > Average Ratings </th><th colspan=1 rowspan=1 > Rank </th><th colspan=1 rowspan=1 > Behind-the-scenes average ratings </th><th colspan=1 rowspan=1 > Remarks </th></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 2013/01/06 </td><td colspan=1 rowspan=1 > 01 </td><td colspan=1 rowspan=1 > 1.29 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > 0.67 </td><td colspan=1 rowspan=1 > 1.78 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2013/01/13 </td><td colspan=1 rowspan=1 > 02 </td><td colspan=1 rowspan=1 > 1.46 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > 0.88 </td><td colspan=1 rowspan=1 > 1.74 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2013/01/20 </td><td colspan=1 rowspan=1 > 03 </td><td colspan=1 rowspan=1 > 1.84 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > 1.08 </td><td colspan=1 rowspan=1 > 2.43 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2013/01/27 </td><td colspan=1 rowspan=1 > 04 </td><td colspan=1 rowspan=1 > 1.54 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > 0.99 </td><td colspan=1 rowspan=1 > 1.95 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2013/02/03 </td><td colspan=1 rowspan=1 > 05 </td><td colspan=1 rowspan=1 > 2.14 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > 1.34 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=6 rowspan=1 > February 10, 2013 broadcast was suspended due to the special broadcast episode of "蛇來運轉迎新春". </td></tr>
<tr> <td colspan=1 rowspan=1 > 2013/02/17 </td><td colspan=1 rowspan=1 > 06 </td><td colspan=1 rowspan=1 > 1.68 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > 0.72 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 2013/02/24 </td><td colspan=1 rowspan=1 > 07 </td><td colspan=1 rowspan=1 > 1.37 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > 0.69 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 2013/03/03 </td><td colspan=1 rowspan=1 > 08 </td><td colspan=1 rowspan=1 > 1.44 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > 0.87 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 2013/03/10 </td><td colspan=1 rowspan=1 > 09 </td><td colspan=1 rowspan=1 > 1.42 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > 0.65 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 2013/03/17 </td><td colspan=1 rowspan=1 > 10 </td><td colspan=1 rowspan=1 > 1.37 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > 0.72 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 2013/03/24 </td><td colspan=1 rowspan=1 > 11 </td><td colspan=1 rowspan=1 > 1.45 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 2013/03/31 </td><td colspan=1 rowspan=1 > 12 </td><td colspan=1 rowspan=1 > 1.64 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 2013/04/07 </td><td colspan=1 rowspan=1 > 13 </td><td colspan=1 rowspan=1 > 1.56 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 2013/04/14 </td><td colspan=1 rowspan=1 > 14 </td><td colspan=1 rowspan=1 > 1.36 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 2013/04/21 </td><td colspan=1 rowspan=1 > 15 </td><td colspan=1 rowspan=1 > 1.43 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 2013/04/28 </td><td colspan=1 rowspan=1 > 16 </td><td colspan=1 rowspan=1 > 1.91 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 2013/05/05 </td><td colspan=1 rowspan=1 > 17 </td><td colspan=1 rowspan=1 > 1.43 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 2013/05/12 </td><td colspan=1 rowspan=1 > 18 </td><td colspan=1 rowspan=1 > 1.70 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 2013/05/19 </td><td colspan=1 rowspan=1 > 19 </td><td colspan=1 rowspan=1 > 1.48 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 2013/05/26 </td><td colspan=1 rowspan=1 > 20 </td><td colspan=1 rowspan=1 > 1.43 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 2013/06/02 </td><td colspan=1 rowspan=1 > 21 </td><td colspan=1 rowspan=1 > 2.00 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th colspan=2 rowspan=1 > Total average </th><th class="highlighted"  colspan=1 rowspan=1 > 1.57 </th><th colspan=1 rowspan=1 >  </th><th colspan=1 rowspan=1 >  </th><th colspan=1 rowspan=1 >  </th></tr>
</table>
Question:
When was King Flower's first broadcast, and what has their total average been since that broadcast?
Answer:
Since its first broadcast, King Flower had the total average of 1.57.