| 年度 | 实际值 |
|---|---|
| 1992 | 542.87 |
| 1993 | 552.56 |
| 1994 | 562.23 |
| 1995 | 571.57 |
| 1996 | 581.36 |
| 1997 | 590.19 |
| 1998 | 606.87 |
| 1999 | 618.73 |
| 2000 | 644.79 |
| 2001 | 654.76 |
| 2002 | 661.36 |
| 2003 | 668.12 |
| 2004 | 670.59 |
| 2005 | 679.33 |
| 2006 | 701.59 |
| 2007 | 716.44 |
| 2008 | 725.67 |
| 2009 | |
| 2010 | 747.17 |
| 2011 | 761.3 |
| 2012 | 748.9 |
| 2013 | 757.7 |
| 2014 | |
| 2015 | 785.84 |
| 2016 | 799 |
| 2017 | 804 |
| 2018 | 811 |