| 年度 | 实际值 |
|---|---|
| 1992 | 21326 |
| 1993 | 30263 |
| 1994 | 13344 |
| 1995 | 14029 |
| 1996 | 15414 |
| 1997 | 14389 |
| 1998 | 18774 |
| 1999 | 21106 |
| 2000 | |
| 2001 | |
| 2002 | |
| 2003 | 131388 |
| 2004 | 174319 |
| 2005 | 208213 |
| 2006 | 233849 |
| 2007 | 358997 |
| 2008 | 465656 |
| 2009 | |
| 2010 | 602372 |
| 2011 | 783039 |
| 2012 | 975527 |
| 2013 | 972513 |
| 2014 | 1089918 |
| 2015 | 1232266 |
| 2016 | 1167144 |
| 2017 | 1337546 |
| 2018 | 1451959 |