| 年度 | 实际值 |
|---|---|
| 1992 | 6925 |
| 1993 | |
| 1994 | 8135 |
| 1995 | 7563 |
| 1996 | 12636 |
| 1997 | |
| 1998 | |
| 1999 | 21774 |
| 2000 | 21220 |
| 2001 | 25678 |
| 2002 | 27409 |
| 2003 | 31766 |
| 2004 | 35811 |
| 2005 | 47663 |
| 2006 | 54562 |
| 2007 | 71396 |
| 2008 | 84051 |
| 2009 | 116439 |
| 2010 | 126804 |
| 2011 | 160420 |
| 2012 | 180846 |
| 2013 | 207856 |
| 2014 | 237727 |
| 2015 | 312641 |