| 年度 | 实际值 |
|---|---|
| 1992 | 593 |
| 1993 | 601 |
| 1994 | 606 |
| 1995 | 619 |
| 1996 | 768 |
| 1997 | 778 |
| 1998 | 787 |
| 1999 | 798 |
| 2000 | 812 |
| 2001 | 819 |
| 2002 | 827 |
| 2003 | 835.64 |
| 2004 | 848.69 |
| 2005 | 864.73 |
| 2006 | 872.34 |
| 2007 | 879.32 |
| 2008 | 887.37 |
| 2009 | |
| 2010 | 904 |
| 2011 | 908.74 |
| 2012 | 902.28 |
| 2013 | 903.44 |
| 2014 | 907.93 |
| 2015 | 913.78 |