| 年度 | 实际值 |
|---|---|
| 1992 | 2086 |
| 1993 | 2123 |
| 1994 | 2060 |
| 1995 | 248 |
| 1996 | 2236 |
| 1997 | 2270 |
| 1998 | 2299 |
| 1999 | 2329 |
| 2000 | 2369 |
| 2001 | 2408 |
| 2002 | 2021 |
| 2003 | 2078.87 |
| 2004 | 2133.85 |
| 2005 | 2215.4 |
| 2006 | 2284.7 |
| 2007 | 2310.25 |
| 2008 | 2344.44 |
| 2009 | |
| 2010 | 2398.07 |
| 2011 | 2508.2 |
| 2012 | 2551.57 |
| 2013 | 2652.3 |
| 2014 | 2677.85 |
| 2015 | 2154.32 |