| 年度 | 实际值 |
|---|---|
| 1992 | 1917 |
| 1993 | |
| 1994 | |
| 1995 | 2092 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 1792 |
| 2000 | 1685.31 |
| 2001 | 1933.3 |
| 2002 | 1623.41 |
| 2003 | 1735.85 |
| 2004 | 2450.5 |
| 2005 | 2941.24 |
| 2006 | 3098.46 |
| 2007 | 2767.3 |
| 2008 | 2737 |
| 2009 | 2779 |
| 2010 | 2667 |
| 2011 | 2958.28 |
| 2012 | 2886 |
| 2013 | 3018 |
| 2014 | 2849.8 |
| 2015 | 2890.18 |