| 年度 | 实际值 |
|---|---|
| 1992 | 7555 |
| 1993 | |
| 1994 | 15528 |
| 1995 | 8501 |
| 1996 | 17800 |
| 1997 | |
| 1998 | |
| 1999 | 20630 |
| 2000 | 25976 |
| 2001 | 29700 |
| 2002 | 38527 |
| 2003 | 48286 |
| 2004 | 61600 |
| 2005 | 61088 |
| 2006 | 74247 |
| 2007 | 94221 |
| 2008 | 113410 |
| 2009 | 126347 |
| 2010 | 163083 |
| 2011 | 273662 |
| 2012 | 273662 |
| 2013 | 300392 |
| 2014 | 295333 |
| 2015 | 446923 |