| 年度 | 实际值 |
|---|---|
| 1992 | 176.8 |
| 1993 | 178.76 |
| 1994 | 181.46 |
| 1995 | 182.92 |
| 1996 | 196.23 |
| 1997 | 198.92 |
| 1998 | 201.11 |
| 1999 | 203.01 |
| 2000 | 204.35 |
| 2001 | 206.16 |
| 2002 | 208.02 |
| 2003 | 238.13 |
| 2004 | 210.24 |
| 2005 | 209.32 |
| 2006 | 212.41 |
| 2007 | 214.6 |
| 2008 | 217.76 |
| 2009 | |
| 2010 | 219.8 |
| 2011 | 221.8 |
| 2012 | 223.5 |
| 2013 | 225 |
| 2014 | |
| 2015 | 223.86 |
| 2016 | 224 |
| 2017 | 224 |
| 2018 | 224 |