| 年度 | 实际值 |
|---|---|
| 1992 | 33.68 |
| 1993 | 191.78 |
| 1994 | 193.15 |
| 1995 | 195.49 |
| 1996 | 197.74 |
| 1997 | 199.05 |
| 1998 | 198.47 |
| 1999 | 199.47 |
| 2000 | 199.18 |
| 2001 | 199.8 |
| 2002 | 200.22 |
| 2003 | 200.82 |
| 2004 | 201.6 |
| 2005 | 201.56 |
| 2006 | 202.44 |
| 2007 | 202.94 |
| 2008 | 202.9 |
| 2009 | 203.17 |
| 2010 | 202.64 |
| 2011 | 202.54 |
| 2012 | 200.02 |
| 2013 | 199.1 |
| 2014 | 197.75 |
| 2015 | 196.67 |
| 2016 | 193 |
| 2017 | 191 |
| 2018 | 190 |