| 年度 | 实际值 |
|---|---|
| 1992 | 177610 |
| 1993 | |
| 1994 | |
| 1995 | 201384 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 212284 |
| 2000 | 201331 |
| 2001 | 187663 |
| 2002 | 178627 |
| 2003 | 170165 |
| 2004 | 258667 |
| 2005 | 258931 |
| 2006 | 260164 |
| 2007 | 262817 |
| 2008 | 265883 |
| 2009 | 276672 |
| 2010 | 277535 |
| 2011 | 278506 |
| 2012 | 279420 |
| 2013 | 289495 |
| 2014 | 269205 |
| 2015 | 257609 |
| 2016 | 256600 |