| 年度 | 实际值 |
|---|---|
| 1992 | 2696 |
| 1993 | |
| 1994 | |
| 1995 | 4822 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 10490 |
| 2000 | 12040 |
| 2001 | 12645 |
| 2002 | 14348 |
| 2003 | 16305 |
| 2004 | 18197 |
| 2005 | 22116 |
| 2006 | 26990 |
| 2007 | 39064 |
| 2008 | 46739 |
| 2009 | 72305 |
| 2010 | 84023 |
| 2011 | 97883 |
| 2012 | 127069 |
| 2013 | 159269 |
| 2014 | 173238 |
| 2015 | 212504 |
| 2016 | 246683 |