| 年度 | 实际值 |
|---|---|
| 1993 | 1009 |
| 1994 | 1844 |
| 1995 | 1107 |
| 1996 | 1027 |
| 1997 | |
| 1998 | |
| 1999 | |
| 2000 | 6188 |
| 2001 | 6300 |
| 2002 | 5071 |
| 2003 | 5071 |
| 2004 | 5042 |
| 2005 | 4246 |
| 2006 | 5142 |
| 2007 | 6454 |
| 2008 | 7300 |
| 2009 | |
| 2010 | 6794 |
| 2011 | 8641 |
| 2012 | 9492 |
| 2013 | 9961 |
| 2014 | 10634 |
| 2015 | 10396 |
| 2016 | 10552 |
| 2017 | 11101 |
| 2018 | 11032 |