| 年度 | 实际值 |
|---|---|
| 1992 | 88.37 |
| 1993 | 89.6 |
| 1994 | 90.82 |
| 1995 | 92.01 |
| 1996 | 93.17 |
| 1997 | 275.85 |
| 1998 | 277.88 |
| 1999 | 279.95 |
| 2000 | 287.4 |
| 2001 | 289.32 |
| 2002 | 291.35 |
| 2003 | 293.69 |
| 2004 | 302.65 |
| 2005 | 305.43 |
| 2006 | 308.22 |
| 2007 | 310.15 |
| 2008 | 313.2 |
| 2009 | |
| 2010 | 326.3 |
| 2011 | 327.6 |
| 2012 | 329.5 |
| 2013 | 336.2 |
| 2014 | |
| 2015 | 343.92 |
| 2016 | 347 |
| 2017 | 349 |
| 2018 | 352 |