| 年度 | 实际值 |
|---|---|
| 1992 | 808 |
| 1993 | 817 |
| 1994 | 822 |
| 1995 | 839 |
| 1996 | 846 |
| 1997 | 855 |
| 1998 | 864 |
| 1999 | 874 |
| 2000 | 885 |
| 2001 | 893 |
| 2002 | 904 |
| 2003 | 919.7 |
| 2004 | 925.24 |
| 2005 | 943.44 |
| 2006 | 964.02 |
| 2007 | 975.05 |
| 2008 | 980.97 |
| 2009 | |
| 2010 | 985.08 |
| 2011 | 973.9 |
| 2012 | 967.4 |
| 2013 | 967.8 |
| 2014 | 965.47 |
| 2015 | 967.44 |