| 年度 | 实际值 |
|---|---|
| 1994 | 10669 |
| 1995 | 12367 |
| 1996 | 18868 |
| 1997 | 19458 |
| 1998 | 18987 |
| 1999 | 17811 |
| 2000 | 21176 |
| 2001 | 18279 |
| 2002 | 143224 |
| 2003 | 18515 |
| 2004 | 26073 |
| 2005 | 29123 |
| 2006 | 31730 |
| 2007 | 46366 |
| 2008 | 51246 |
| 2009 | 48385 |
| 2010 | 52332 |
| 2011 | 70772 |
| 2012 | 78346 |
| 2013 | 84048 |
| 2014 | 89957 |
| 2015 | 97939 |
| 2016 | 106085 |
| 2017 | 89014 |
| 2018 | 89462 |