| 年度 | 实际值 |
|---|---|
| 1992 | 844 |
| 1993 | 851 |
| 1994 | 855 |
| 1995 | 869 |
| 1996 | 880 |
| 1997 | 878 |
| 1998 | 896 |
| 1999 | 901 |
| 2000 | 907 |
| 2001 | 914 |
| 2002 | 918 |
| 2003 | 923.55 |
| 2004 | 924.61 |
| 2005 | 927.75 |
| 2006 | 928.64 |
| 2007 | 934.18 |
| 2008 | 936.6 |
| 2009 | |
| 2010 | 1539.43 |
| 2011 | 945.56 |
| 2012 | 939.95 |
| 2013 | 944.66 |
| 2014 | 951.96 |
| 2015 | 956.84 |