| 年度 | 实际值 |
|---|---|
| 1992 | 1293 |
| 1993 | |
| 1994 | |
| 1995 | 21038 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 29129 |
| 2000 | 21732 |
| 2001 | 23859 |
| 2002 | 25469 |
| 2003 | 27745 |
| 2004 | 30205 |
| 2005 | 30418 |
| 2006 | 34195 |
| 2007 | 35000 |
| 2008 | 34874 |
| 2009 | 54549 |
| 2010 | 74118 |
| 2011 | 85839 |
| 2012 | 102100 |
| 2013 | 120721 |
| 2014 | 135499 |
| 2015 | 166531 |
| 2016 | 191600 |
| 2017 | 278817 |