| 年度 | 实际值 |
|---|---|
| 1992 | 673.11 |
| 1993 | 675.35 |
| 1994 | 678.53 |
| 1995 | 684.63 |
| 1996 | 690.27 |
| 1997 | 695.44 |
| 1998 | 699.57 |
| 1999 | 702.97 |
| 2000 | 706.65 |
| 2001 | 710.5 |
| 2002 | 715.65 |
| 2003 | 720.68 |
| 2004 | 731.12 |
| 2005 | 740.91 |
| 2006 | 749.38 |
| 2007 | 757.99 |
| 2008 | 761.56 |
| 2009 | |
| 2010 | 763.64 |
| 2011 | 766.4 |
| 2012 | 769.6 |
| 2013 | 773.7 |
| 2014 | |
| 2015 | 783.09 |
| 2016 | 791 |
| 2017 | 803 |
| 2018 | 818 |