| 年度 | 实际值 |
|---|---|
| 1992 | 20890 |
| 1993 | |
| 1994 | |
| 1995 | 50271 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 81506 |
| 2000 | 74411 |
| 2001 | 79690 |
| 2002 | 92793 |
| 2003 | 81268 |
| 2004 | 83143 |
| 2005 | 65393 |
| 2006 | 73222 |
| 2007 | 57875 |
| 2008 | 52037 |
| 2009 | 64562 |
| 2010 | 119218 |
| 2011 | 109424 |
| 2012 | 151509 |
| 2013 | 175869 |
| 2014 | 234407 |
| 2015 | 219002 |
| 2016 | 274394 |
| 2017 | 341669 |