| 年度 | 实际值 |
|---|---|
| 1992 | 96.93 |
| 1993 | 233.67 |
| 1994 | 236.18 |
| 1995 | 239.28 |
| 1996 | 242.21 |
| 1997 | 243.63 |
| 1998 | 245.09 |
| 1999 | 245.75 |
| 2000 | 250.58 |
| 2001 | 252.09 |
| 2002 | 254.62 |
| 2003 | 257.9 |
| 2004 | 262.22 |
| 2005 | 264.38 |
| 2006 | 269.3 |
| 2007 | 273.36 |
| 2008 | 277.23 |
| 2009 | |
| 2010 | 279.8 |
| 2011 | 281.6 |
| 2012 | 281.6 |
| 2013 | 282.6 |
| 2014 | |
| 2015 | 275.48 |
| 2016 | 276 |
| 2017 | 273 |
| 2018 | 273 |
| 2019 | 272 |