| 年度 | 实际值 |
|---|---|
| 1992 | 6143 |
| 1993 | 7914 |
| 1994 | 4386 |
| 1995 | 4566 |
| 1996 | 5517 |
| 1997 | 4111 |
| 1998 | 4439 |
| 1999 | 1969 |
| 2000 | |
| 2001 | |
| 2002 | |
| 2003 | 40538 |
| 2004 | 45482 |
| 2005 | 48841 |
| 2006 | 56912 |
| 2007 | 78192 |
| 2008 | 89681 |
| 2009 | |
| 2010 | 130636 |
| 2011 | 160854 |
| 2012 | 238597 |
| 2013 | 249014 |
| 2014 | 260781 |
| 2015 | 278528 |
| 2016 | 329176 |
| 2017 | 334602 |
| 2018 | 358617 |