| 年度 | 实际值 |
|---|---|
| 1995 | 4730 |
| 1996 | 2713 |
| 1997 | 7123 |
| 1998 | 9528 |
| 1999 | 19564 |
| 2000 | 25354 |
| 2001 | 29709 |
| 2002 | 27210 |
| 2003 | 31571 |
| 2004 | 41822 |
| 2005 | 29427 |
| 2006 | 10832 |
| 2007 | 17431 |
| 2008 | 47423 |
| 2009 | |
| 2010 | 110433 |
| 2011 | 176882 |
| 2012 | 162252 |
| 2013 | 98054 |
| 2014 | 86048 |
| 2015 | 100497 |
| 2016 | 74515 |
| 2017 | 81164 |
| 2018 | 111353 |