| 年度 | 实际值 |
|---|---|
| 1992 | 2930 |
| 1993 | 5757 |
| 1994 | 3528 |
| 1995 | 3801 |
| 1996 | 5657 |
| 1997 | 5745 |
| 1998 | 5617 |
| 1999 | 6267 |
| 2000 | |
| 2001 | |
| 2002 | |
| 2003 | 33630 |
| 2004 | 31394 |
| 2005 | 44309 |
| 2006 | 56082 |
| 2007 | 90212 |
| 2008 | 127123 |
| 2009 | |
| 2010 | 160290 |
| 2011 | 203036 |
| 2012 | 297409 |
| 2013 | 271039 |
| 2014 | 232389 |
| 2015 | 260394 |
| 2016 | 240244 |
| 2017 | 233470 |
| 2018 | 268857 |