| 年度 | 实际值 |
|---|---|
| 1992 | 566.89 |
| 1993 | 569.28 |
| 1994 | 571.43 |
| 1995 | 572.91 |
| 1996 | 574.12 |
| 1997 | 574.99 |
| 1998 | 575.35 |
| 1999 | 576.23 |
| 2000 | 578.17 |
| 2001 | 580.53 |
| 2002 | 583.86 |
| 2003 | 590.97 |
| 2004 | 598.85 |
| 2005 | 607.31 |
| 2006 | 616.08 |
| 2007 | 624.4311 |
| 2008 | 629.75 |
| 2009 | 633.29 |
| 2010 | 637.66 |
| 2011 | 642.3336 |
| 2012 | 647.8054 |
| 2013 | 653.84 |
| 2014 | 661.08 |
| 2015 | 667.01 |
| 2016 | 678 |
| 2017 | 691 |
| 2018 | 704 |