| 年度 | 实际值 |
|---|---|
| 1992 | 197692 |
| 1993 | |
| 1994 | |
| 1995 | 232997 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 289092 |
| 2000 | 278000 |
| 2001 | 276000 |
| 2002 | 269605 |
| 2003 | 264874 |
| 2004 | 288484 |
| 2005 | 296771 |
| 2006 | 280452 |
| 2007 | 304730 |
| 2008 | 312496 |
| 2009 | 306617 |
| 2010 | 303150 |
| 2011 | 308788 |
| 2012 | 316247 |
| 2013 | 310722 |
| 2014 | 281221 |
| 2015 | 297511 |
| 2016 | 242621 |