| 年度 | 实际值 |
|---|---|
| 1992 | 174811 |
| 1993 | |
| 1994 | |
| 1995 | 169250 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 108511 |
| 2000 | 71601 |
| 2001 | 62358 |
| 2002 | 49950 |
| 2003 | 30234 |
| 2004 | 30770 |
| 2005 | 45584 |
| 2006 | 64120 |
| 2007 | 67226 |
| 2008 | 80701 |
| 2009 | 76441.6 |
| 2010 | 76675.2 |
| 2011 | 73647 |
| 2012 | 68856.2 |
| 2013 | 60278 |
| 2014 | 52462 |
| 2015 | 49084.4 |
| 2016 | 45815 |