年度 | 实际值 |
---|---|
1995 | 30.3 |
1996 | 29.2 |
1997 | 25.59 |
1998 | 34.3 |
1999 | |
2000 | 35.4 |
2001 | 36.79 |
2002 | 37.01 |
2003 | 40.95 |
2004 | 41.4 |
2005 | 40.64 |
2006 | 41.3 |
2007 | 42.53 |
2008 | 42.97 |
2009 | |
2010 | 34.73 |
2011 | 39.81 |
2012 | 39.7 |
2013 | 39.94 |
2014 | 39.77 |
2015 | 38.48 |
2016 | 36.2 |
2017 | 37.67 |
2018 | 36.2 |