| 年度 | 实际值 |
|---|---|
| 1992 | 1093 |
| 1993 | |
| 1994 | |
| 1995 | 2330 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 6928 |
| 2000 | 7111 |
| 2001 | 11372 |
| 2002 | 12253 |
| 2003 | 15780 |
| 2004 | 18246 |
| 2005 | 22521 |
| 2006 | 28087 |
| 2007 | 42263 |
| 2008 | 58849 |
| 2009 | 78806 |
| 2010 | 89752 |
| 2011 | 101595 |
| 2012 | 129996 |
| 2013 | 151774 |
| 2014 | 170460 |
| 2015 | 206803 |
| 2016 | 215175 |