| 年度 | 实际值 |
|---|---|
| 1992 | 234791 |
| 1993 | |
| 1994 | |
| 1995 | 290603 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 300582 |
| 2000 | 301224 |
| 2001 | 297160 |
| 2002 | 268007 |
| 2003 | 254415 |
| 2004 | 288167 |
| 2005 | 302512 |
| 2006 | 319258 |
| 2007 | 328011 |
| 2008 | 299925 |
| 2009 | 310341 |
| 2010 | 312710 |
| 2011 | 302206 |
| 2012 | 305297 |
| 2013 | 300334 |
| 2014 | 311897 |
| 2015 | 320139.86 |
| 2016 | 305047 |