| 年度 | 实际值 |
|---|---|
| 1992 | 834 |
| 1993 | 842 |
| 1994 | 845 |
| 1995 | 853 |
| 1996 | 860 |
| 1997 | 862 |
| 1998 | 868 |
| 1999 | 876 |
| 2000 | 880 |
| 2001 | 885 |
| 2002 | 890 |
| 2003 | 892.47 |
| 2004 | 902 |
| 2005 | 916.81 |
| 2006 | 935.83 |
| 2007 | 951.06 |
| 2008 | 958.67 |
| 2009 | |
| 2010 | 980.06 |
| 2011 | 988.91 |
| 2012 | 989.21 |
| 2013 | 998.86 |
| 2014 | 1003.9 |
| 2015 | 1010.61 |