| 年度 | 实际值 |
|---|---|
| 1992 | 12708 |
| 1993 | |
| 1994 | |
| 1995 | 36714 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 41285 |
| 2000 | 37344 |
| 2001 | 39459 |
| 2002 | 42439 |
| 2003 | 61158 |
| 2004 | 73343 |
| 2005 | 74182 |
| 2006 | 103918 |
| 2007 | 82802 |
| 2008 | 118908 |
| 2009 | 124848 |
| 2010 | 237583 |
| 2011 | 243979 |
| 2012 | 254604 |
| 2013 | 270434 |
| 2014 | 278201 |
| 2015 | 261922 |
| 2016 | 238453 |
| 2017 | 278633 |