| 年度 | 实际值 |
|---|---|
| 1992 | 183 |
| 1993 | 185 |
| 1994 | 186 |
| 1995 | 189 |
| 1996 | 190 |
| 1997 | 192 |
| 1998 | 195 |
| 1999 | 197 |
| 2000 | 201 |
| 2001 | 202 |
| 2002 | 203 |
| 2003 | 203.61 |
| 2004 | 204.28 |
| 2005 | 205.42 |
| 2006 | 207.82 |
| 2007 | 210.42 |
| 2008 | 211.87 |
| 2009 | |
| 2010 | 217.2 |
| 2011 | 218.81 |
| 2012 | 213.11 |
| 2013 | 215.27 |
| 2014 | 216.57 |
| 2015 | 220.11 |