| 年度 | 实际值 |
|---|---|
| 1992 | 134000 |
| 1993 | |
| 1994 | |
| 1995 | 160000 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 294000 |
| 2000 | 238300 |
| 2001 | 242100 |
| 2002 | 250500 |
| 2003 | 250600 |
| 2004 | 250800 |
| 2005 | 253800 |
| 2006 | 267600 |
| 2007 | 290260 |
| 2008 | 301763 |
| 2009 | 315560 |
| 2010 | 344831 |
| 2011 | 377300 |
| 2012 | 418800 |
| 2013 | 441600 |
| 2014 | 459600 |
| 2015 | 481371 |
| 2016 | 500000 |
| 2017 | 530000 |