| 年度 | 实际值 |
|---|---|
| 1992 | 632 |
| 1993 | 634 |
| 1994 | 635 |
| 1995 | 643 |
| 1996 | 648 |
| 1997 | 653 |
| 1998 | 657 |
| 1999 | 644 |
| 2000 | 647 |
| 2001 | 651 |
| 2002 | 655 |
| 2003 | 659.84 |
| 2004 | 669.4 |
| 2005 | 678.36 |
| 2006 | 670.59 |
| 2007 | 690.65 |
| 2008 | 693.71 |
| 2009 | |
| 2010 | 695.61 |
| 2011 | 698.09 |
| 2012 | 682.11 |
| 2013 | 685.76 |
| 2014 | 691.93 |
| 2015 | 694.03 |