| 年度 | 实际值 |
|---|---|
| 1992 | 8370 |
| 1993 | 50828 |
| 1994 | 17455 |
| 1995 | 16380 |
| 1996 | 21275 |
| 1997 | 21209 |
| 1998 | 27589 |
| 1999 | 29060 |
| 2000 | |
| 2001 | |
| 2002 | |
| 2003 | 214938 |
| 2004 | 242731 |
| 2005 | 279499 |
| 2006 | 418855 |
| 2007 | 545978 |
| 2008 | 543997 |
| 2009 | |
| 2010 | 1335774 |
| 2011 | 1141475 |
| 2012 | 2017925 |
| 2013 | 2278988 |
| 2014 | 2531799 |
| 2015 | 2903771 |
| 2016 | 3551200 |
| 2017 | 3612973 |
| 2018 | 3825169 |