| 年度 | 实际值 |
|---|---|
| 1992 | 758 |
| 1993 | 786 |
| 1994 | 797 |
| 1995 | 829 |
| 1996 | 854 |
| 1997 | 879 |
| 1998 | 895 |
| 1999 | 930 |
| 2000 | 958 |
| 2001 | 972 |
| 2002 | 980 |
| 2003 | 988.01 |
| 2004 | 987.47 |
| 2005 | 993.7 |
| 2006 | 999.59 |
| 2007 | 859.48 |
| 2008 | 716.05 |
| 2009 | |
| 2010 | 1039.79 |
| 2011 | 907.05 |
| 2012 | 949.36 |
| 2013 | 934.82 |
| 2014 | 948.5 |
| 2015 | 957.13 |