年度 | 实际值 |
---|---|
1993 | 29 |
1994 | 30 |
1995 | 30 |
1996 | 30 |
1997 | 31 |
1998 | |
1999 | 32 |
2000 | 33 |
2001 | 34 |
2002 | 35 |
2003 | 38 |
2004 | 40 |
2005 | 42 |
2006 | 44 |
2007 | 46 |
2008 | 47 |
2009 | |
2010 | 41 |
2011 | 89 |
2012 | 124 |
2013 | 128 |
2014 | 145 |
2015 | 149 |
2016 | 154 |
2017 | 156 |
2018 | 160 |