| 年度 | 实际值 |
|---|---|
| 1992 | 799 |
| 1993 | |
| 1994 | |
| 1995 | 1714 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 8088 |
| 2000 | 8599 |
| 2001 | 12981 |
| 2002 | 13779 |
| 2003 | 14986 |
| 2004 | 16630 |
| 2005 | 22351 |
| 2006 | 28877 |
| 2007 | 37103 |
| 2008 | 55441 |
| 2009 | 70507 |
| 2010 | 93151 |
| 2011 | 110515 |
| 2012 | 137335 |
| 2013 | 157273 |
| 2014 | 182373 |
| 2015 | 203520 |
| 2016 | 220088 |