| 年度 | 实际值 |
|---|---|
| 1992 | 44.07 |
| 1993 | 45.72 |
| 1994 | 515.83 |
| 1995 | 517.82 |
| 1996 | 519.27 |
| 1997 | 523.2 |
| 1998 | 527.45 |
| 1999 | 531.24 |
| 2000 | 535.73 |
| 2001 | 540.37 |
| 2002 | 543.6 |
| 2003 | 546.02 |
| 2004 | 549.3 |
| 2005 | 552.63 |
| 2006 | 557.85 |
| 2007 | 561.67 |
| 2008 | 564.19 |
| 2009 | |
| 2010 | 570.18 |
| 2011 | 576 |
| 2012 | 577.5 |
| 2013 | 578.8 |
| 2014 | |
| 2015 | 587.27 |
| 2016 | 593 |
| 2017 | 595 |
| 2018 | 598 |