| 年度 | 实际值 |
|---|---|
| 1993 | 469 |
| 1994 | 789 |
| 1995 | 731 |
| 1996 | 948 |
| 1997 | 1332 |
| 1998 | 1530 |
| 1999 | 2948 |
| 2000 | 3457.6 |
| 2001 | 4259.34 |
| 2002 | 5351.87 |
| 2003 | 7666.65 |
| 2004 | 8246.06 |
| 2005 | 8439.52 |
| 2006 | 8739.4 |
| 2007 | 8300.37 |
| 2008 | 8923.84 |
| 2009 | 24971.93 |
| 2010 | 25796.53 |
| 2011 | 26234.9 |
| 2012 | 26725.16 |
| 2013 | 26519.38 |