| 年度 | 实际值 |
|---|---|
| 1992 | 15677 |
| 1993 | |
| 1994 | |
| 1995 | 18493 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 38614 |
| 2000 | 32718 |
| 2001 | 35914 |
| 2002 | 36219 |
| 2003 | 45620 |
| 2004 | 47934 |
| 2005 | 49803 |
| 2006 | 53796 |
| 2007 | 61881 |
| 2008 | 55305 |
| 2009 | 74000 |
| 2010 | 83665 |
| 2011 | 104256 |
| 2012 | 116091 |
| 2013 | 141606 |
| 2014 | 187375 |
| 2015 | 223661 |
| 2016 | 248813 |
| 2017 | 325365 |