| Year | |
|---|---|
| 1993 | 929 |
| 1994 | 950 |
| 1995 | 1,240 |
| 1996 | 1,268 |
| 1997 | 1,499 |
| 1998 | 1,558 |
| 1999 | 1,459 |
| 2000 | 1,135 |
| 2001 | 878 |
| 2002 | 833 |
| 2003 | 935 |
| 2004 | 860 |
| 2005 | 794 |
| 2006 | 858 |
| 2007 | 755 |
| 2008 | 864 |
| 2009 | 885 |
| 2010 | 903 |
| 2011 | 966 |
| 2012 | 1,376 |
| 2013 | 1,573 |
| 2014 | 1,641 |
| 2015 | 1,867 |
| 2016 | 1,595 |
| 2017 | 2,095 |