| 年度 | 实际值 |
|---|---|
| 1992 | 987 |
| 1993 | 1003 |
| 1994 | 1013 |
| 1995 | 1045 |
| 1996 | 1074 |
| 1997 | 1101 |
| 1998 | 1123 |
| 1999 | 1153 |
| 2000 | 1192 |
| 2001 | 447 |
| 2002 | 450 |
| 2003 | 450.98 |
| 2004 | 451.13 |
| 2005 | 450.88 |
| 2006 | 451.13 |
| 2007 | 451.32 |
| 2008 | 451.96 |
| 2009 | |
| 2010 | 1348.02 |
| 2011 | 456.66 |
| 2012 | 458.37 |
| 2013 | 461.54 |
| 2014 | 464.08 |
| 2015 | 468.52 |