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:
List of team payrolls in the NHL
Table title:
League
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Year </th><th colspan=1 rowspan=1 > Average team payroll </th><th colspan=1 rowspan=1 > % change </th><th colspan=1 rowspan=1 > Standard deviation </th><th colspan=1 rowspan=1 > Team cap </th><th colspan=1 rowspan=1 > Player cap </th></tr>
<tr> <td colspan=1 rowspan=1 > 1998–99 </td><td colspan=1 rowspan=1 > $29,730,833 </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > $7,375,757 </td><td class="highlighted"  colspan=2 rowspan=6 > No cap </td></tr>
<tr> <td colspan=1 rowspan=1 > 1999–2000 </td><td colspan=1 rowspan=1 > $31,564,167 </td><td colspan=1 rowspan=1 > 6.17% </td><td colspan=1 rowspan=1 > $9,963,577 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2000–01 </td><td colspan=1 rowspan=1 > $33,375,943 </td><td colspan=1 rowspan=1 > 5.74% </td><td colspan=1 rowspan=1 > $11,657,873 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2001–02 </td><td colspan=1 rowspan=1 > $38,011,852 </td><td colspan=1 rowspan=1 > 13.89% </td><td colspan=1 rowspan=1 > $14,162,670 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2002–03 </td><td colspan=1 rowspan=1 > $41,939,715 </td><td colspan=1 rowspan=1 > 10.33% </td><td colspan=1 rowspan=1 > $16,876,630 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2003–04 </td><td colspan=1 rowspan=1 > $44,400,490 </td><td colspan=1 rowspan=1 > 5.87% </td><td class="highlighted"  colspan=1 rowspan=1 > $15,898,399 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2004–05 </td><td colspan=5 rowspan=1 > Season canceled due to lockout </td></tr>
<tr> <td colspan=1 rowspan=1 > 2005–06 </td><td colspan=1 rowspan=1 > $34,309,972 </td><td colspan=1 rowspan=1 > 22.73% </td><td class="highlighted"  colspan=1 rowspan=1 > $6,371,263 </td><td colspan=1 rowspan=1 > $39,000,000 </td><td colspan=1 rowspan=1 > $7,800,000 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2006–07 </td><td colspan=1 rowspan=1 > $40,292,446 </td><td colspan=1 rowspan=1 > 17.44% </td><td colspan=1 rowspan=1 > $4,720,484 </td><td colspan=1 rowspan=1 > $44,000,000 </td><td colspan=1 rowspan=1 > $8,800,000 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2007–08 </td><td colspan=1 rowspan=1 > $44,369,521 </td><td colspan=1 rowspan=1 > 10.12% </td><td colspan=1 rowspan=1 > $7,573,225 </td><td colspan=1 rowspan=1 > $50,300,000 </td><td colspan=1 rowspan=1 > $10,060,000 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2008–09 </td><td colspan=1 rowspan=1 > $51,387,176 </td><td colspan=1 rowspan=1 > 15.82% </td><td colspan=1 rowspan=1 > $7,968,239 </td><td colspan=1 rowspan=1 > $56,700,000 </td><td colspan=1 rowspan=1 > $11,340,000 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2009–10 </td><td colspan=1 rowspan=1 > $52,772,060 </td><td colspan=1 rowspan=1 > 2.69% </td><td colspan=1 rowspan=1 > $5,541,890 </td><td colspan=1 rowspan=1 > $56,800,000 </td><td colspan=1 rowspan=1 > $11,360,000 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2010–11 </td><td colspan=1 rowspan=1 > $54,229,043 </td><td colspan=1 rowspan=1 > 2.76% </td><td colspan=1 rowspan=1 > $6,758,459 </td><td colspan=1 rowspan=1 > $59,400,000 </td><td colspan=1 rowspan=1 > $11,880,000 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2011–12 </td><td colspan=1 rowspan=1 > $58,862,833 </td><td colspan=1 rowspan=1 > 8.54% </td><td colspan=1 rowspan=1 > $5,563,110 </td><td colspan=1 rowspan=1 > $64,300,000 </td><td colspan=1 rowspan=1 > $12,860,000 </td></tr>
</table>
Question:
How was the standard deviation of the NHL payrolls affected by the salary cap?
Answer:
The standard deviation of the payrolls decreased from $15,898,399 to $6,371,263 after the salary cap was introduced.