| 年度 | 实际值 |
|---|---|
| 1992 | 3356 |
| 1993 | |
| 1994 | |
| 1995 | 51481 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 59234 |
| 2000 | 52250 |
| 2001 | 55388 |
| 2002 | 54998 |
| 2003 | 62216 |
| 2004 | 56000 |
| 2005 | 54922 |
| 2006 | |
| 2007 | 76280 |
| 2008 | 91151 |
| 2009 | 80212 |
| 2010 | 118085 |
| 2011 | 150447 |
| 2012 | 175126 |
| 2013 | 192431 |
| 2014 | 212308 |
| 2015 | 250135 |
| 2016 | 192123 |
| 2017 | 243018 |