| 年度 | 实际值 |
|---|---|
| 1992 | 5298 |
| 1993 | 6086 |
| 1994 | 3256 |
| 1995 | 3624 |
| 1996 | 3028 |
| 1997 | 3117 |
| 1998 | 4545 |
| 1999 | 4509 |
| 2000 | 13555 |
| 2001 | 17350 |
| 2002 | 18844 |
| 2003 | 20426 |
| 2004 | 24575 |
| 2005 | 34118 |
| 2006 | 45340 |
| 2007 | 71665 |
| 2008 | 89313 |
| 2009 | 114794 |
| 2010 | 117197 |
| 2011 | 148197 |
| 2012 | 242013 |
| 2013 | 224578 |
| 2014 | 206346 |
| 2015 | 207268 |
| 2016 | 222992 |
| 2017 | 215789 |
| 2018 | 195476 |