| 年度 | 实际值 |
|---|---|
| 1992 | 215364 |
| 1993 | |
| 1994 | |
| 1995 | 248781 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 238221 |
| 2000 | 224344 |
| 2001 | 218049 |
| 2002 | 198765 |
| 2003 | 168574 |
| 2004 | 208902 |
| 2005 | 216120 |
| 2006 | 231770 |
| 2007 | 246113 |
| 2008 | 257189 |
| 2009 | 264601 |
| 2010 | 264983 |
| 2011 | 265405 |
| 2012 | 262190 |
| 2013 | 270515 |
| 2014 | 259956 |
| 2015 | 247330 |
| 2016 | 255600 |