| 年度 | 实际值 |
|---|---|
| 1992 | 749.77 |
| 1993 | 754.44 |
| 1994 | 756.64 |
| 1995 | 761.74 |
| 1996 | 766.8 |
| 1997 | 774.03 |
| 1998 | 779.07 |
| 1999 | 784.56 |
| 2000 | 790.01 |
| 2001 | 791.42 |
| 2002 | 796.77 |
| 2003 | 798.89 |
| 2004 | 802.3 |
| 2005 | 805.78 |
| 2006 | 811.83 |
| 2007 | 818.27 |
| 2008 | 822.75 |
| 2009 | |
| 2010 | 843.03 |
| 2011 | 847 |
| 2012 | 847.1 |
| 2013 | 847.8 |
| 2014 | |
| 2015 | 867.44 |
| 2016 | 876 |
| 2017 | 883 |
| 2018 | 891 |