| 年度 | 实际值 |
|---|---|
| 1992 | 619 |
| 1993 | 626 |
| 1994 | 629 |
| 1995 | 640 |
| 1996 | 647 |
| 1997 | 653 |
| 1998 | 659 |
| 1999 | 662 |
| 2000 | 670 |
| 2001 | 673 |
| 2002 | 677 |
| 2003 | 685.22 |
| 2004 | 692.52 |
| 2005 | 697.24 |
| 2006 | 699.38 |
| 2007 | 704.45 |
| 2008 | 708.99 |
| 2009 | |
| 2010 | 707.6 |
| 2011 | 676.62 |
| 2012 | 682.34 |
| 2013 | 689.54 |
| 2014 | 692.81 |
| 2015 | 692.1 |