| 年度 | 实际值 |
|---|---|
| 1992 | 55.92 |
| 1993 | 57.76 |
| 1994 | 59.47 |
| 1995 | 61.2 |
| 1996 | 62.86 |
| 1997 | 64.61 |
| 1998 | 66.37 |
| 1999 | 68.82 |
| 2000 | 70.53 |
| 2001 | 71.905 |
| 2002 | 118.7315 |
| 2003 | 120.1945 |
| 2004 | 119.8779 |
| 2005 | 121.3544 |
| 2006 | 124.1488 |
| 2007 | 126.4491 |
| 2008 | 128.9107 |
| 2009 | 130.6827 |
| 2010 | 130.68 |
| 2011 | 135.8 |
| 2012 | 134.3 |
| 2013 | 136 |
| 2014 | 285 |
| 2015 | 290.23 |
| 2016 | 296 |
| 2017 | 298 |
| 2018 | 301 |