| 年度 | 实际值 |
|---|---|
| 1992 | 351674 |
| 1993 | |
| 1994 | |
| 1995 | 355859 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 320072 |
| 2000 | 312998 |
| 2001 | 306887 |
| 2002 | 289639 |
| 2003 | 285348 |
| 2004 | 322345 |
| 2005 | 328135 |
| 2006 | 330186 |
| 2007 | 333454 |
| 2008 | 321605 |
| 2009 | 330194 |
| 2010 | 330503 |
| 2011 | 314849 |
| 2012 | 227577 |
| 2013 | 223664 |
| 2014 | 230387 |
| 2015 | 234304.75 |
| 2016 | 220774 |