| 年度 | 实际值 |
|---|---|
| 1978 | 3121 |
| 1979 | |
| 1980 | 4325 |
| 1981 | |
| 1982 | |
| 1983 | |
| 1984 | |
| 1985 | 10607 |
| 1986 | |
| 1987 | |
| 1988 | |
| 1989 | |
| 1990 | 17302 |
| 1991 | |
| 1992 | |
| 1993 | |
| 1994 | |
| 1995 | 42200 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 119015 |
| 2000 | 74872 |
| 2001 | 80134 |
| 2002 | 112413 |
| 2003 | 125864 |
| 2004 | 104391 |
| 2005 | 94580 |
| 2006 | 129348 |
| 2007 | 192230 |
| 2008 | 374034 |
| 2009 | 680616 |
| 2010 | 1016484 |