| 年度 | 实际值 |
|---|---|
| 1992 | 734 |
| 1993 | 741 |
| 1994 | 745 |
| 1995 | 756 |
| 1996 | 763 |
| 1997 | 770 |
| 1998 | 778 |
| 1999 | 779 |
| 2000 | 796.28 |
| 2001 | 801.08 |
| 2002 | 803.35 |
| 2003 | 807.12 |
| 2004 | 814.376949 |
| 2005 | 822 |
| 2006 | 830.253233141477 |
| 2007 | 835.780535249549 |
| 2008 | 841.032837995079 |
| 2009 | 850.581704164927 |
| 2010 | 864.107449122517 |
| 2011 | 867.45128341771 |
| 2012 | 760.645370161775 |
| 2013 | 763 |
| 2014 | 733 |
| 2015 | 737 |