| 年度 | 实际值 |
|---|---|
| 1992 | 15700 |
| 1993 | |
| 1994 | |
| 1995 | 70747 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 151804 |
| 2000 | 137098 |
| 2001 | 44728 |
| 2002 | 142545 |
| 2003 | 142884 |
| 2004 | 130643 |
| 2005 | 129687 |
| 2006 | 129638 |
| 2007 | 142269 |
| 2008 | 104847 |
| 2009 | 262825 |
| 2010 | 277779 |
| 2011 | 352576 |
| 2012 | 420002 |
| 2013 | 532494 |
| 2014 | 816909 |
| 2015 | 1417022 |
| 2016 | 1742581 |
| 2017 | 1957500 |