| 年度 | 实际值 |
|---|---|
| 1992 | 718 |
| 1993 | 727 |
| 1994 | 731 |
| 1995 | 743 |
| 1996 | 751 |
| 1997 | 538 |
| 1998 | 917 |
| 1999 | 924 |
| 2000 | 933 |
| 2001 | 938 |
| 2002 | 951 |
| 2003 | 960.49 |
| 2004 | 970.99 |
| 2005 | 986.73 |
| 2006 | 990.9 |
| 2007 | 1002.62 |
| 2008 | 1013.73 |
| 2009 | |
| 2010 | 1016.98 |
| 2011 | 1043.98 |
| 2012 | 1054.63 |
| 2013 | 1062.35 |
| 2014 | 1069.75 |
| 2015 | 1064.81 |