| 年度 | 实际值 |
|---|---|
| 1992 | 659 |
| 1993 | 666 |
| 1994 | 668 |
| 1995 | 675 |
| 1996 | 680 |
| 1997 | 685 |
| 1998 | 686 |
| 1999 | 691 |
| 2000 | 700 |
| 2001 | 704 |
| 2002 | 709 |
| 2003 | 719.2 |
| 2004 | 728.42 |
| 2005 | 738.14 |
| 2006 | 746.93 |
| 2007 | 755.29 |
| 2008 | 765.37 |
| 2009 | |
| 2010 | 784.3 |
| 2011 | 797.05 |
| 2012 | 806.58 |
| 2013 | 818.82 |
| 2014 | 831.56 |
| 2015 | 839.23 |