| 年度 | 实际值 |
|---|---|
| 1992 | 119 |
| 1993 | 121 |
| 1994 | 121 |
| 1995 | 120 |
| 1996 | 123 |
| 1997 | 127 |
| 1998 | 129 |
| 1999 | 132 |
| 2000 | 137 |
| 2001 | 141 |
| 2002 | 146 |
| 2003 | 151.28 |
| 2004 | 154.97 |
| 2005 | 178.12 |
| 2006 | 185.17 |
| 2007 | 162.7 |
| 2008 | 166.05 |
| 2009 | |
| 2010 | 176.26 |
| 2011 | 180.85 |
| 2012 | 186.97 |
| 2013 | 190.69 |
| 2014 | 193.58 |
| 2015 | 193.65 |