年度 | 实际值 |
---|---|
1995 | 38.4 |
1996 | 39 |
1997 | 42.39 |
1998 | 44.5 |
1999 | 46.7 |
2000 | 46.5 |
2001 | 47.07 |
2002 | 47.97 |
2003 | 50.57 |
2004 | 51.02 |
2005 | 47 |
2006 | 46.06 |
2007 | 46.48 |
2008 | 47.45 |
2009 | |
2010 | 44.88 |
2011 | 45.8 |
2012 | 45.44 |
2013 | 45.6 |
2014 | 45.5 |
2015 | 43.6 |
2016 | 41.8 |
2017 | |
2018 | 40.79 |