| 年度 | 实际值 |
|---|---|
| 1992 | 52119 |
| 1993 | |
| 1994 | |
| 1995 | 67734 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 204585 |
| 2000 | 251882 |
| 2001 | 262956 |
| 2002 | 253793 |
| 2003 | 242770 |
| 2004 | 216973 |
| 2005 | 197137 |
| 2006 | 183984 |
| 2007 | 171696 |
| 2008 | 148532 |
| 2009 | 178930 |
| 2010 | 214117 |
| 2011 | 251159 |
| 2012 | 281336 |
| 2013 | 280463 |
| 2014 | 266363 |
| 2015 | 241100 |
| 2016 | 227026 |
| 2017 | 232023 |