| 年度 | 实际值 |
|---|---|
| 1992 | 2379 |
| 1993 | 2406 |
| 1994 | 2413 |
| 1995 | 2079 |
| 1996 | 2097 |
| 1997 | 2119 |
| 1998 | 2132 |
| 1999 | 2160 |
| 2000 | 2185 |
| 2001 | 1306 |
| 2002 | 1330 |
| 2003 | 1353.05 |
| 2004 | 1377.51 |
| 2005 | 1407.83 |
| 2006 | 1431.3 |
| 2007 | 1453.6 |
| 2008 | 1462.85 |
| 2009 | |
| 2010 | 1467.16 |
| 2011 | 1457.52 |
| 2012 | 1467.32 |
| 2013 | 1476.69 |
| 2014 | 1494.77 |
| 2015 | 1514.6 |