| 年度 | 实际值 |
|---|---|
| 1992 | 650 |
| 1993 | 653 |
| 1994 | 655 |
| 1995 | 663 |
| 1996 | 670 |
| 1997 | 675 |
| 1998 | 680 |
| 1999 | 683 |
| 2000 | 687 |
| 2001 | 691 |
| 2002 | 694 |
| 2003 | 695.76 |
| 2004 | 698.87 |
| 2005 | 698.69 |
| 2006 | 700.95 |
| 2007 | 703.42 |
| 2008 | 705.15 |
| 2009 | |
| 2010 | 708.06 |
| 2011 | 712.8 |
| 2012 | 710.26 |
| 2013 | 712.96 |
| 2014 | 717.55 |
| 2015 | 720.87 |