年度 | 实际值 |
---|---|
1996 | 1653 |
1997 | |
1998 | 33 |
1999 | 254 |
2000 | 256 |
2001 | 269 |
2002 | 272 |
2003 | 273 |
2004 | 274 |
2005 | 273 |
2006 | 263 |
2007 | 261 |
2008 | 252 |
2009 | |
2010 | 238 |
2011 | 231 |
2012 | 217 |
2013 | 213 |
2014 | 215 |
2015 | 212 |
2016 | 198 |
2017 | 192 |
2018 | 192 |