| 年度 | 实际值 |
|---|---|
| 1992 | 456.49 |
| 1993 | 464.71 |
| 1994 | 471.78 |
| 1995 | 479.28 |
| 1996 | 491.94 |
| 1997 | 508.46 |
| 1998 | 520.02 |
| 1999 | 568.87 |
| 2000 | 575.97 |
| 2001 | 579.25 |
| 2002 | 584.7 |
| 2003 | 590.54 |
| 2004 | 601.77 |
| 2005 | 609.28 |
| 2006 | 623.95 |
| 2007 | 634.78 |
| 2008 | 641.24 |
| 2009 | |
| 2010 | 661.79 |
| 2011 | 669.3 |
| 2012 | 673.9 |
| 2013 | 682.7 |
| 2014 | |
| 2015 | 701.68 |
| 2016 | 697 |
| 2017 | 703 |
| 2018 | 705 |