| 年度 | 实际值 |
|---|---|
| 1992 | 8886 |
| 1993 | 11095 |
| 1994 | 3642 |
| 1995 | 1078 |
| 1996 | 4335 |
| 1997 | 4399 |
| 1998 | 3965 |
| 1999 | 4678 |
| 2000 | |
| 2001 | |
| 2002 | |
| 2003 | 41466 |
| 2004 | 45375 |
| 2005 | 45766 |
| 2006 | 59489 |
| 2007 | 99535 |
| 2008 | 113891 |
| 2009 | |
| 2010 | 163683 |
| 2011 | 208903 |
| 2012 | 281945 |
| 2013 | 285061 |
| 2014 | 291940 |
| 2015 | 364014 |
| 2016 | 344656 |
| 2017 | 362272 |
| 2018 | 378021 |