| 年度 | 实际值 |
|---|---|
| 1993 | 66000 |
| 1994 | 63200 |
| 1995 | 67100 |
| 1996 | 70000 |
| 1997 | 71600 |
| 1998 | 71800 |
| 1999 | |
| 2000 | 66200 |
| 2001 | 63900 |
| 2002 | 62500 |
| 2003 | 61400 |
| 2004 | 62351 |
| 2005 | 61997 |
| 2006 | 59871 |
| 2007 | 56738 |
| 2008 | 53323 |
| 2009 | 50585 |
| 2010 | 48006 |
| 2011 | 46331 |
| 2012 | 46353 |
| 2013 | 47151 |
| 2014 | 49082 |
| 2015 | 51340 |
| 2016 | 52613 |
| 2017 | 52928 |