| 年度 | 实际值 |
|---|---|
| 1992 | 762 |
| 1993 | 788 |
| 1994 | 499 |
| 1995 | 500 |
| 1996 | 501 |
| 1997 | 505 |
| 1998 | 509 |
| 1999 | 513 |
| 2000 | 517 |
| 2001 | 522 |
| 2002 | 525 |
| 2003 | 527.25 |
| 2004 | 530.42 |
| 2005 | 533.63 |
| 2006 | 538.67 |
| 2007 | 542.36 |
| 2008 | 544.8 |
| 2009 | |
| 2010 | 550.58 |
| 2011 | 556.18 |
| 2012 | 557.67 |
| 2013 | 558.91 |
| 2014 | 563.04 |
| 2015 | 566.71 |