| 年度 | 实际值 |
|---|---|
| 1992 | 810 |
| 1993 | 857 |
| 1994 | 814 |
| 1995 | 867 |
| 1996 | 898 |
| 1997 | 999 |
| 1998 | 1014 |
| 1999 | 1016 |
| 2000 | 1035 |
| 2001 | 1032 |
| 2002 | 1028 |
| 2003 | 1030.54 |
| 2004 | 1027.18 |
| 2005 | 954.66 |
| 2006 | 961.49 |
| 2007 | 965.22 |
| 2008 | 1050 |
| 2009 | |
| 2010 | 1056.71 |
| 2011 | 1073.49 |
| 2012 | 1076.51 |
| 2013 | 317.2 |
| 2014 | 314.24 |
| 2015 | 318.35 |