| 年度 | 实际值 |
|---|---|
| 1993 | 3280 |
| 1994 | 3460 |
| 1995 | 3585 |
| 1996 | 3684 |
| 1997 | 3704 |
| 1998 | 2268 |
| 1999 | 2325 |
| 2000 | 2335 |
| 2001 | 2316 |
| 2002 | 3633 |
| 2003 | 3717 |
| 2004 | 4577 |
| 2005 | 4751 |
| 2006 | 4808 |
| 2007 | 5069 |
| 2008 | 5461 |
| 2009 | |
| 2010 | 5536 |
| 2011 | 6074 |
| 2012 | 7404 |
| 2013 | 8067 |
| 2014 | 8495 |
| 2015 | 10229 |
| 2016 | 10568 |
| 2017 | 11178 |
| 2018 | 12034 |