| 年度 | 实际值 |
|---|---|
| 1978 | 1032 |
| 1979 | |
| 1980 | |
| 1981 | |
| 1982 | |
| 1983 | |
| 1984 | |
| 1985 | 1477 |
| 1986 | |
| 1987 | |
| 1988 | |
| 1989 | |
| 1990 | 3529 |
| 1991 | |
| 1992 | |
| 1993 | |
| 1994 | |
| 1995 | 6219 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 8716 |
| 2000 | 8757 |
| 2001 | 9823 |
| 2002 | 9782 |
| 2003 | 11247 |
| 2004 | 12768 |
| 2005 | 17322 |
| 2006 | 21110 |
| 2007 | 26976 |
| 2008 | 33186 |
| 2009 | 37841 |
| 2010 | 47627 |
| 2011 | 60000 |
| 2012 | 73500 |
| 2013 | 86000 |
| 2014 | 100500 |