| 年度 | 实际值 |
|---|---|
| 1992 | 138000 |
| 1993 | |
| 1994 | |
| 1995 | 143000 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 163000 |
| 2000 | 170321 |
| 2001 | 173688 |
| 2002 | 181527 |
| 2003 | 179588 |
| 2004 | 194991 |
| 2005 | 216545 |
| 2006 | 239076 |
| 2007 | 249781 |
| 2008 | 263745 |
| 2009 | 272482 |
| 2010 | 280557 |
| 2011 | 288131 |
| 2012 | 295880 |
| 2013 | 297300 |
| 2014 | 297400 |
| 2015 | 288969 |
| 2016 | 289629 |
| 2017 | 260000 |