| 年度 | 实际值 |
|---|---|
| 1978 | 176 |
| 1979 | 265 |
| 1980 | 267 |
| 1981 | 257 |
| 1982 | 308 |
| 1983 | 376 |
| 1984 | 437 |
| 1985 | 384 |
| 1986 | 519 |
| 1987 | 625 |
| 1988 | 538 |
| 1989 | 773 |
| 1990 | 667 |
| 1991 | 831 |
| 1992 | 1005 |
| 1993 | 1462 |
| 1994 | 1762 |
| 1995 | 2957 |
| 1996 | 3480 |
| 1997 | 3959 |
| 1998 | 4828 |
| 1999 | 6003 |
| 2000 | 7140 |
| 2001 | 10174 |
| 2002 | 12876 |
| 2003 | 14599 |
| 2004 | 16015 |
| 2005 | 18186 |
| 2006 | 23103 |
| 2007 | 28489 |
| 2008 | 34298 |
| 2009 | 36893 |
| 2010 | 47378 |
| 2011 | 63950 |
| 2012 | 63951 |
| 2013 | 73498 |
| 2014 | 83213 |
| 2015 | 89895 |
| 2016 | 100000 |