| 年度 | 实际值 |
|---|---|
| 1992 | 202 |
| 1993 | 205 |
| 1994 | 207 |
| 1995 | 213 |
| 1996 | 216 |
| 1997 | 175 |
| 1998 | 177 |
| 1999 | 185 |
| 2000 | 189 |
| 2001 | 191 |
| 2002 | 193 |
| 2003 | 194.16 |
| 2004 | 199.4 |
| 2005 | 203.48 |
| 2006 | 205.82 |
| 2007 | 208.62 |
| 2008 | 210.38 |
| 2009 | |
| 2010 | 216.72 |
| 2011 | 218.75 |
| 2012 | 220.52 |
| 2013 | 222.07 |
| 2014 | 223.65 |
| 2015 | 224.18 |