| 年度 | 实际值 |
|---|---|
| 1992 | 4428 |
| 1993 | 4514 |
| 1994 | 4564 |
| 1995 | 4812 |
| 1996 | 4945 |
| 1997 | 5037 |
| 1998 | 5120 |
| 1999 | 5243 |
| 2000 | 5433 |
| 2001 | 4276 |
| 2002 | 4495 |
| 2003 | 4629.17 |
| 2004 | 4764.91 |
| 2005 | 4915.57 |
| 2006 | 5073.46 |
| 2007 | 5213.38 |
| 2008 | 5278.95 |
| 2009 | |
| 2010 | 5324.12 |
| 2011 | 8063.4 |
| 2012 | 8074.84 |
| 2013 | 8248.04 |
| 2014 | 1818.86 |
| 2015 | 1868.73 |