| 年度 | 实际值 |
|---|---|
| 1992 | 154.22 |
| 1993 | 155.51 |
| 1994 | 156.68 |
| 1995 | 157.87 |
| 1996 | 160.33 |
| 1997 | 162.84 |
| 1998 | 163.64 |
| 1999 | 164.55 |
| 2000 | 168.35 |
| 2001 | 168.82 |
| 2002 | 292.75 |
| 2003 | 294.91 |
| 2004 | 296.91 |
| 2005 | 298.95 |
| 2006 | 301.17 |
| 2007 | 303.6 |
| 2008 | 305.53 |
| 2009 | |
| 2010 | 307 |
| 2011 | 307.7 |
| 2012 | 325 |
| 2013 | 302.9 |
| 2014 | 329.5 |
| 2015 | 334.28 |
| 2016 | 336 |
| 2017 | 334 |
| 2018 | 335 |