| 年度 | 实际值 |
|---|---|
| 1982 | 577 |
| 1983 | 773 |
| 1984 | 1218 |
| 1985 | 2099 |
| 1986 | 3943 |
| 1987 | 6246 |
| 1988 | 7900 |
| 1989 | 14439 |
| 1990 | 22521 |
| 1991 | 32202 |
| 1992 | 40874 |
| 1993 | 60296 |
| 1994 | 82616 |
| 1995 | 120267 |
| 1996 | 171222 |
| 1997 | 230700 |
| 1998 | 291997 |
| 1999 | 365090 |
| 2000 | 525412 |
| 2001 | 595500 |
| 2002 | 797900 |
| 2003 | 1053800 |
| 2004 | 1250569 |
| 2005 | 1252774 |
| 2006 | 1596325 |
| 2007 | 1827169 |
| 2008 | 2223949 |
| 2009 | 2732624 |
| 2010 | 2726948 |
| 2011 | 3295106 |
| 2012 | 3961395 |
| 2013 | 4603087 |
| 2014 | 4339972 |
| 2015 | 2803127 |