| 年度 | 实际值 |
|---|---|
| 1990 | 1640 |
| 1991 | 2090 |
| 1992 | 2748 |
| 1993 | 5150 |
| 1994 | 6983 |
| 1995 | 10280 |
| 1996 | 13141 |
| 1997 | 15399 |
| 1998 | 17270 |
| 1999 | 19201 |
| 2000 | 20704 |
| 2001 | 21234 |
| 2002 | 21162 |
| 2003 | 23582 |
| 2004 | 26434 |
| 2005 | 29583 |
| 2006 | 33690 |
| 2007 | 37965 |
| 2008 | 40594 |
| 2009 | 71796 |
| 2010 | 78657 |
| 2011 | 88237 |
| 2012 | 92486 |
| 2013 | 97440 |
| 2014 | 102245 |
| 2015 | 108416 |