| 年度 | 实际值 |
|---|---|
| 1992 | 30149 |
| 1993 | |
| 1994 | 32335 |
| 1995 | 17541 |
| 1996 | 21219 |
| 1997 | |
| 1998 | |
| 1999 | 22920 |
| 2000 | 16261 |
| 2001 | 26038 |
| 2002 | 19387 |
| 2003 | 20371 |
| 2004 | 22952 |
| 2005 | 23350 |
| 2006 | 31211 |
| 2007 | 39355 |
| 2008 | 31957 |
| 2009 | 42448 |
| 2010 | 64492 |
| 2011 | 90761 |
| 2012 | 117049 |
| 2013 | 135006 |
| 2014 | 150634 |
| 2015 | 163116 |