| Year | Distance |
|---|---|
| 1996 | 6,000 |
| 1997 | 8,580 |
| 1998 | 12,243 |
| 1999 | 11,284 |
| 2000 | 11,435 |
| 2001 | 12,258 |
| 2002 | 13,794 |
| 2003 | 13,086 |
| 2004 | 13,195 |
| 2005 | 10,137 |
| 2006 | 10,221 |
| 2007 | 5,519 |
| 2008 | 2,065 |
| 2009 | 500 |
| 2010 | 1,025 |
| 2011 | 330 |
| 2012 | 2,893 |
| 2013 | 2,880 |
| 2014 | 5,655 |
| 2015 | 1,239 |
| 2016 | 950 |
| 2017 | 650 |
| 2018 | 2,379 |
| Total | 148,318 |