| 年度 | 实际值 |
|---|---|
| 1992 | 594 |
| 1993 | 602 |
| 1994 | 605 |
| 1995 | 613 |
| 1996 | 620 |
| 1997 | 599 |
| 1998 | 604 |
| 1999 | 609 |
| 2000 | 608 |
| 2001 | 611 |
| 2002 | 615 |
| 2003 | 620.54 |
| 2004 | 627.3 |
| 2005 | 633.41 |
| 2006 | 644.19 |
| 2007 | 655.54 |
| 2008 | 664.73 |
| 2009 | |
| 2010 | 682.68 |
| 2011 | 694.4 |
| 2012 | 690.23 |
| 2013 | 680.06 |
| 2014 | 706.83 |
| 2015 | 713.02 |