| 年度 | 实际值 |
|---|---|
| 1992 | 1965 |
| 1993 | 1877 |
| 1994 | 1907 |
| 1995 | 1947 |
| 1996 | 1959 |
| 1997 | 1580 |
| 1998 | 1273 |
| 1999 | 1376 |
| 2000 | 4171 |
| 2001 | 2836 |
| 2002 | 2828 |
| 2003 | 2836 |
| 2004 | 3046 |
| 2005 | 3139 |
| 2006 | 3093.66 |
| 2007 | 3173.3 |
| 2008 | 3305.3 |
| 2009 | |
| 2010 | 4755.27 |
| 2011 | 5427 |
| 2012 | 5506 |
| 2013 | 5130 |
| 2014 | 4356 |
| 2015 | |
| 2016 | |
| 2017 | |
| 2018 | |
| 2019 | 1795.1 |