| 年度 | 实际值 |
|---|---|
| 1978 | 698 |
| 1979 | |
| 1980 | |
| 1981 | |
| 1982 | |
| 1983 | |
| 1984 | |
| 1985 | 2217 |
| 1986 | |
| 1987 | |
| 1988 | |
| 1989 | |
| 1990 | 9658 |
| 1991 | |
| 1992 | |
| 1993 | |
| 1994 | |
| 1995 | 31608 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 56695 |
| 2000 | 64973 |
| 2001 | 67765 |
| 2002 | 66412 |
| 2003 | 65347 |
| 2004 | 78776 |
| 2005 | 73190 |
| 2006 | 83683 |
| 2007 | 105100 |
| 2008 | 182860 |
| 2009 | 227154 |
| 2010 | 298102 |
| 2011 | 357400 |
| 2012 | 404100 |
| 2013 | 470500 |
| 2014 | 414600 |