| 年度 | 实际值 |
|---|---|
| 1992 | 779.2 |
| 1993 | 779.89 |
| 1994 | 780.74 |
| 1995 | 783.53 |
| 1996 | 786.12 |
| 1997 | 789.11 |
| 1998 | 791.64 |
| 1999 | 793.6 |
| 2000 | 795.57 |
| 2001 | 795.56 |
| 2002 | 795.61 |
| 2003 | 796.51 |
| 2004 | 798.28 |
| 2005 | 798.67 |
| 2006 | 804.73 |
| 2007 | 809.7884 |
| 2008 | 811.705 |
| 2009 | 812.3719 |
| 2010 | 816.1227 |
| 2011 | 820.6925 |
| 2012 | 822.3998 |
| 2013 | 823.77 |
| 2014 | 828.54 |
| 2015 | 828.03 |
| 2016 | 831 |
| 2017 | 826 |
| 2018 | 825 |