| 年度 | 实际值 |
|---|---|
| 1992 | 959 |
| 1993 | 987 |
| 1994 | 999 |
| 1995 | 1032 |
| 1996 | 1052 |
| 1997 | 1068 |
| 1998 | 1070 |
| 1999 | 1076 |
| 2000 | 1091 |
| 2001 | 1095 |
| 2002 | 1108 |
| 2003 | 430.63 |
| 2004 | 437.92 |
| 2005 | 443.3 |
| 2006 | 446.03 |
| 2007 | 448.77 |
| 2008 | 453.24 |
| 2009 | |
| 2010 | 455.92 |
| 2011 | 468.06 |
| 2012 | 469.92 |
| 2013 | 474.75 |
| 2014 | 434.19 |
| 2015 | 440.6 |