| 年度 | 实际值 |
|---|---|
| 1992 | 797 |
| 1993 | 851 |
| 1994 | 850 |
| 1995 | 501 |
| 1996 | 509 |
| 1997 | 515 |
| 1998 | 519 |
| 1999 | 528 |
| 2000 | 537 |
| 2001 | 547 |
| 2002 | 553 |
| 2003 | 563.53 |
| 2004 | 574.29 |
| 2005 | 582.97 |
| 2006 | 594.78 |
| 2007 | 607.52 |
| 2008 | 619.75 |
| 2009 | |
| 2010 | 631.35 |
| 2011 | 653.61 |
| 2012 | 653.61 |
| 2013 | 664.16 |
| 2014 | 665.1 |
| 2015 | 679.21 |