| 年度 | 实际值 |
|---|---|
| 1992 | 827 |
| 1993 | 838 |
| 1994 | 843 |
| 1995 | 911 |
| 1996 | 133 |
| 1997 | 134 |
| 1998 | 134 |
| 1999 | 134 |
| 2000 | 135 |
| 2001 | 136 |
| 2002 | 136 |
| 2003 | 136.57 |
| 2004 | 137.43 |
| 2005 | 138.37 |
| 2006 | 138.96 |
| 2007 | 139.19 |
| 2008 | 139.68 |
| 2009 | |
| 2010 | 140.03 |
| 2011 | 140.32 |
| 2012 | 141.03 |
| 2013 | 141.56 |
| 2014 | 140.78 |
| 2015 | 141.31 |