| 年度 | 实际值 |
|---|---|
| 1992 | 140.6 |
| 1993 | 141.99 |
| 1994 | 144.49 |
| 1995 | 177.53 |
| 1996 | 197.37 |
| 1997 | 200.37 |
| 1998 | 204.36 |
| 1999 | 207.78 |
| 2000 | 209.17 |
| 2001 | 211.83 |
| 2002 | 213.45 |
| 2003 | 213.89 |
| 2004 | 214.7 |
| 2005 | 213.49 |
| 2006 | 215.81 |
| 2007 | 220.84 |
| 2008 | 224.3 |
| 2009 | |
| 2010 | 229.56 |
| 2011 | 232.3 |
| 2012 | 230.3 |
| 2013 | 234 |
| 2014 | |
| 2015 | 238.58 |
| 2016 | 241 |
| 2017 | 243 |
| 2018 | 246 |