| 年度 | 实际值 |
|---|---|
| 1992 | 3397 |
| 1993 | 3932 |
| 1994 | 4102 |
| 1995 | 4763 |
| 1996 | 4040 |
| 1997 | 4219 |
| 1998 | 4269 |
| 1999 | 4356 |
| 2000 | 4387 |
| 2001 | 4288 |
| 2002 | 4371 |
| 2003 | 4403.75 |
| 2004 | 4420 |
| 2005 | 1279.61 |
| 2006 | 1301.47 |
| 2007 | 1322.55 |
| 2008 | 1345.59 |
| 2009 | |
| 2010 | 1364.41 |
| 2011 | 1380.49 |
| 2012 | 1370.2 |
| 2013 | 1366.86 |
| 2014 | 1202.06 |
| 2015 | 1209.68 |