| 年度 | 实际值 |
|---|---|
| 1994 | 4323 |
| 1995 | 4215 |
| 1996 | 3249 |
| 1997 | 2620 |
| 1998 | 941 |
| 1999 | 1043 |
| 2000 | |
| 2001 | |
| 2002 | |
| 2003 | 40433 |
| 2004 | 46917 |
| 2005 | 50727 |
| 2006 | 66758 |
| 2007 | 82463 |
| 2008 | 94744 |
| 2009 | |
| 2010 | 129857 |
| 2011 | 172173 |
| 2012 | 211785 |
| 2013 | 264234 |
| 2014 | 18838 |
| 2015 | 325226 |
| 2016 | 348616 |
| 2017 | 373644 |
| 2018 | 408868 |