| 年度 | 实际值 |
|---|---|
| 1992 | 237677 |
| 1993 | |
| 1994 | |
| 1995 | 248380 |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 | 269480 |
| 2000 | 278310 |
| 2001 | 293480 |
| 2002 | 297780 |
| 2003 | 314130 |
| 2004 | 318620 |
| 2005 | 335230 |
| 2006 | 341980 |
| 2007 | 318910 |
| 2008 | 307580 |
| 2009 | 304039 |
| 2010 | 301650 |
| 2011 | 297270 |
| 2012 | 297860 |
| 2013 | 297660 |
| 2014 | 299180 |
| 2015 | 295210 |