| 年度 | 实际值 |
|---|---|
| 1992 | 577.35 |
| 1993 | 657.65 |
| 1994 | 662.36 |
| 1995 | 666.79 |
| 1996 | 671.04 |
| 1997 | 673.8 |
| 1998 | 674.86 |
| 1999 | 677.08 |
| 2000 | 685.1 |
| 2001 | 689.34 |
| 2002 | 688.92 |
| 2003 | 689.1 |
| 2004 | 693.87 |
| 2005 | 698.57 |
| 2006 | 703.56 |
| 2007 | 709.77 |
| 2008 | 713.51 |
| 2009 | |
| 2010 | 719.6 |
| 2011 | 722.7 |
| 2012 | 724.8 |
| 2013 | 727.1 |
| 2014 | |
| 2015 | 730.41 |
| 2016 | 734 |
| 2017 | 737 |
| 2018 | 746 |