| 年度 | 实际值 |
|---|---|
| 1992 | 47000 |
| 1993 | |
| 1994 | |
| 1995 | 53000 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 72200 |
| 2000 | 75900 |
| 2001 | 78200 |
| 2002 | 64900 |
| 2003 | 93900 |
| 2004 | 101100 |
| 2005 | 102400 |
| 2006 | 102700 |
| 2007 | 103600 |
| 2008 | 123300 |
| 2009 | 132200 |
| 2010 | 135300 |
| 2011 | 136800 |
| 2012 | 142800 |
| 2013 | 150000 |
| 2014 | 158900 |
| 2015 | 166400 |
| 2016 | 170000 |
| 2017 | 180000 |