| 年度 | 实际值 |
|---|---|
| 1992 | 50128 |
| 1993 | 67782 |
| 1994 | 24138 |
| 1995 | 25929 |
| 1996 | 19008 |
| 1997 | 14277 |
| 1998 | 18046 |
| 1999 | 18077 |
| 2000 | 103680 |
| 2001 | 106774 |
| 2002 | 105972 |
| 2003 | 119559 |
| 2004 | 128622 |
| 2005 | 142574 |
| 2006 | 162838 |
| 2007 | 190959 |
| 2008 | 221232 |
| 2009 | |
| 2010 | 315278 |
| 2011 | 409746 |
| 2012 | 536615 |
| 2013 | 681472 |
| 2014 | 797328 |
| 2015 | 1307821 |
| 2016 | 1412536 |
| 2017 | 975525 |
| 2018 | 942359 |