| 年度 | 实际值 |
|---|---|
| 1992 | 2698 |
| 1993 | 3027 |
| 1994 | 4015 |
| 1995 | 3798 |
| 1996 | 4958 |
| 1997 | |
| 1998 | |
| 1999 | 5919 |
| 2000 | |
| 2001 | |
| 2002 | |
| 2003 | 52785 |
| 2004 | 64065 |
| 2005 | 76921 |
| 2006 | 95650 |
| 2007 | 143876 |
| 2008 | 207889 |
| 2009 | |
| 2010 | 312410 |
| 2011 | 344510 |
| 2012 | 388113 |
| 2013 | 419300 |
| 2014 | 433874 |
| 2015 | 537300 |
| 2016 | 524338 |
| 2017 | 519228 |
| 2018 | 515796 |