| 年度 | 实际值 |
|---|---|
| 1993 | 1975 |
| 1994 | 1792 |
| 1995 | 2147 |
| 1996 | 2147 |
| 1997 | 2383 |
| 1998 | 2474 |
| 1999 | 2414 |
| 2000 | 3095 |
| 2001 | 2480 |
| 2002 | 1637 |
| 2003 | 1775 |
| 2004 | 1714 |
| 2005 | 1706 |
| 2006 | 2737 |
| 2007 | 2460 |
| 2008 | 2422 |
| 2009 | |
| 2010 | 2691 |
| 2011 | 3737 |
| 2012 | 3985 |
| 2013 | 4174 |
| 2014 | 4278 |
| 2015 | 4144 |
| 2016 | 5261 |
| 2017 | 5639 |
| 2018 | 6300 |