| 年度 | 实际值 |
|---|---|
| 1992 | 3043 |
| 1993 | 3131 |
| 1994 | 3202 |
| 1995 | 3402 |
| 1996 | 3606 |
| 1997 | 736 |
| 1998 | 744 |
| 1999 | 751 |
| 2000 | 747 |
| 2001 | 761 |
| 2002 | 767 |
| 2003 | 776.36 |
| 2004 | 783.52 |
| 2005 | 799.32 |
| 2006 | 818.11 |
| 2007 | 831.19 |
| 2008 | 841.84 |
| 2009 | |
| 2010 | 857.63 |
| 2011 | 865.88 |
| 2012 | 872.68 |
| 2013 | 880.61 |
| 2014 | 887.19 |
| 2015 | 897.8 |