| 年度 | 实际值 |
|---|---|
| 1993 | 1211 |
| 1994 | 1261 |
| 1995 | 5619 |
| 1996 | 5212 |
| 1997 | 4811 |
| 1998 | 4732 |
| 1999 | 5155 |
| 2000 | 5297 |
| 2001 | 5480 |
| 2002 | 6222 |
| 2003 | 4950 |
| 2004 | 5668 |
| 2005 | 5207 |
| 2006 | 5114 |
| 2007 | 5900 |
| 2008 | 5740 |
| 2009 | |
| 2010 | 7312 |
| 2011 | 7831 |
| 2012 | 7895 |
| 2013 | 7933 |
| 2014 | 8156 |
| 2015 | 8267 |
| 2016 | 8651 |
| 2017 | 9605 |
| 2018 | 9680 |