| 年度 | 实际值 |
|---|---|
| 1992 | 4815 |
| 1993 | 4902 |
| 1994 | 2667 |
| 1995 | 2697 |
| 1996 | 2715 |
| 1997 | 2731 |
| 1998 | 2749 |
| 1999 | 2790 |
| 2000 | 2826 |
| 2001 | 1269 |
| 2002 | 1287 |
| 2003 | 1314.36 |
| 2004 | 1337.88 |
| 2005 | 1364.3 |
| 2006 | 1394.85 |
| 2007 | 1426.12 |
| 2008 | 1443.7 |
| 2009 | |
| 2010 | 1796.07 |
| 2011 | 759.26 |
| 2012 | 736.49 |
| 2013 | 745.24 |
| 2014 | 725.34 |
| 2015 | 732.86 |