| 年度 | 实际值 |
|---|---|
| 1992 | 3350 |
| 1993 | |
| 1994 | |
| 1995 | 4018 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 13334 |
| 2000 | 14235 |
| 2001 | 15213 |
| 2002 | 17853 |
| 2003 | 17993 |
| 2004 | 19759 |
| 2005 | 23102 |
| 2006 | 27908 |
| 2007 | 42526 |
| 2008 | 51773 |
| 2009 | 68528 |
| 2010 | 86022 |
| 2011 | 90117 |
| 2012 | 145485 |
| 2013 | 171268 |
| 2014 | 196615 |
| 2015 | 231803 |
| 2016 | 247926 |