| 年度 | 实际值 |
|---|---|
| 1992 | 514 |
| 1993 | 518 |
| 1994 | 520 |
| 1995 | 525 |
| 1996 | 528 |
| 1997 | 532 |
| 1998 | 745 |
| 1999 | 694 |
| 2000 | 711 |
| 2001 | 715 |
| 2002 | 724 |
| 2003 | 738.81 |
| 2004 | 751.38 |
| 2005 | 750.64 |
| 2006 | 770.37 |
| 2007 | 780.74 |
| 2008 | 783.24 |
| 2009 | |
| 2010 | 1219.63 |
| 2011 | 798.33 |
| 2012 | 812.06 |
| 2013 | 813.93 |
| 2014 | 823.27 |
| 2015 | 822.43 |