| 年度 | 实际值 |
|---|---|
| 1992 | 606 |
| 1993 | 777 |
| 1994 | 842 |
| 1995 | 864 |
| 1996 | 878 |
| 1997 | 896 |
| 1998 | 908 |
| 1999 | 919 |
| 2000 | 934 |
| 2001 | 930 |
| 2002 | 932 |
| 2003 | 946.09 |
| 2004 | 941.44 |
| 2005 | 943.97 |
| 2006 | 972.83 |
| 2007 | 987.53 |
| 2008 | 992.18 |
| 2009 | |
| 2010 | 1023.47 |
| 2011 | 937.25 |
| 2012 | 938.24 |
| 2013 | 941.18 |
| 2014 | 950.39 |
| 2015 | 950.98 |