| 年度 | 实际值 |
|---|---|
| 1993 | 52000 |
| 1994 | 127700 |
| 1995 | 129300 |
| 1996 | 130000 |
| 1997 | 134600 |
| 1998 | 132900 |
| 1999 | 130000 |
| 2000 | 117440 |
| 2001 | 107193 |
| 2002 | 96540 |
| 2003 | 86527 |
| 2004 | 78891 |
| 2005 | 71412 |
| 2006 | 67004 |
| 2007 | 66769 |
| 2008 | 64708 |
| 2009 | 62571 |
| 2010 | 59912 |
| 2011 | 58467 |
| 2012 | 57815 |
| 2013 | 50354 |
| 2014 | 47136 |
| 2015 | 46423 |