| 年度 | 实际值 |
|---|---|
| 1978 | 620 |
| 1979 | 669 |
| 1980 | 816 |
| 1981 | 852 |
| 1982 | 857 |
| 1983 | 886 |
| 1984 | 972 |
| 1985 | 1215 |
| 1986 | 1326 |
| 1987 | 1326 |
| 1988 | 1978 |
| 1989 | 2185 |
| 1990 | 2329 |
| 1991 | 2238 |
| 1992 | 3102 |
| 1993 | 4182 |
| 1994 | 6190 |
| 1995 | 7163 |
| 1996 | 8314 |
| 1997 | 9961 |
| 1998 | 11524 |
| 1999 | 12514 |
| 2000 | 14080 |
| 2001 | 16563 |
| 2002 | 20103 |
| 2003 | 21675 |
| 2004 | 26324 |
| 2005 | 28398 |
| 2006 | 31346 |
| 2007 | 40824 |
| 2008 | 45989 |
| 2009 | 49334 |
| 2010 | 53844 |
| 2011 | 62716 |
| 2012 | 70109 |
| 2013 | 82751 |
| 2014 | 90020 |
| 2015 | 107500 |