| 年度 | 实际值 |
|---|---|
| 1992 | 2239 |
| 1993 | 13058 |
| 1994 | 3431 |
| 1995 | 3292 |
| 1996 | 3159 |
| 1997 | 3495 |
| 1998 | 4024 |
| 1999 | 4939 |
| 2000 | |
| 2001 | |
| 2002 | |
| 2003 | 53451 |
| 2004 | 64273 |
| 2005 | 75734 |
| 2006 | 90022 |
| 2007 | 133478 |
| 2008 | 156336 |
| 2009 | |
| 2010 | 231198 |
| 2011 | 283129 |
| 2012 | 402744 |
| 2013 | 386985 |
| 2014 | 439498 |
| 2015 | 485906 |
| 2016 | 576646 |
| 2017 | 597025 |
| 2018 | 575321 |