| 年度 | 实际值 |
|---|---|
| 1992 | 3722 |
| 1993 | |
| 1994 | |
| 1995 | 7261 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 9197 |
| 2000 | 10236 |
| 2001 | 11266 |
| 2002 | 9665 |
| 2003 | 12989 |
| 2004 | 16050 |
| 2005 | 18942 |
| 2006 | 35444 |
| 2007 | 46959 |
| 2008 | 60725 |
| 2009 | 67050 |
| 2010 | 85087 |
| 2011 | 107160 |
| 2012 | 135868 |
| 2013 | 157811 |
| 2014 | 191395 |
| 2015 | 207902 |
| 2016 | 229305 |