| 年度 | 实际值 |
|---|---|
| 1992 | 163 |
| 1993 | 165 |
| 1994 | 167 |
| 1995 | 169 |
| 1996 | 170 |
| 1997 | 171 |
| 1998 | 172 |
| 1999 | 173 |
| 2000 | 174 |
| 2001 | 175 |
| 2002 | 176 |
| 2003 | 176.94 |
| 2004 | 177.54 |
| 2005 | 179.63 |
| 2006 | 182.49 |
| 2007 | 184.42 |
| 2008 | 185.61 |
| 2009 | |
| 2010 | 763.06 |
| 2011 | 187.53 |
| 2012 | 187.02 |
| 2013 | 187.79 |
| 2014 | 189.03 |
| 2015 | 190.84 |