| 年度 | 实际值 |
|---|---|
| 1982 | 10678 |
| 1983 | 12455 |
| 1984 | 23016 |
| 1985 | 34231 |
| 1986 | 43529 |
| 1987 | 60894 |
| 1988 | 83491 |
| 1989 | 95167 |
| 1990 | 111679 |
| 1991 | 137164 |
| 1992 | 212680 |
| 1993 | 454667 |
| 1994 | 676895 |
| 1995 | 1006628 |
| 1996 | 1424255 |
| 1997 | 1775843 |
| 1998 | 2119429 |
| 1999 | 2373200 |
| 2000 | 2754454 |
| 2001 | 1975363 |
| 2002 | 2222100 |
| 2003 | 2574600 |
| 2004 | 3158341 |
| 2005 | 3688800 |
| 2006 | 4385836 |
| 2007 | 5305488 |
| 2008 | 5630785 |
| 2009 | 5775657 |
| 2010 | 7104737 |
| 2011 | 7308157 |
| 2012 | 6849500 |
| 2013 | 7392082 |
| 2014 | 8032012 |
| 2015 | 7943850 |