| 年度 | 实际值 |
|---|---|
| 1992 | 4150 |
| 1993 | 4654 |
| 1994 | 4954 |
| 1995 | 6873 |
| 1996 | 54138 |
| 1997 | 13922 |
| 1998 | 14302 |
| 1999 | 15703 |
| 2000 | 16459 |
| 2001 | 17334 |
| 2002 | 18305 |
| 2003 | 18511 |
| 2004 | 19273 |
| 2005 | 21066 |
| 2006 | 22061.72 |
| 2007 | 23000.7 |
| 2008 | 25475.3 |
| 2009 | |
| 2010 | 30383.62 |
| 2011 | 38287 |
| 2012 | 46490 |
| 2013 | 60430 |
| 2014 | 72527 |