年度 | 实际值 |
---|---|
1995 | 33.7 |
1996 | 33.5 |
1997 | 34.02 |
1998 | 36.2 |
1999 | 37.2 |
2000 | 34.9 |
2001 | 35.3 |
2002 | 35.92 |
2003 | 35.32 |
2004 | 35.93 |
2005 | 37.97 |
2006 | 40.48 |
2007 | 40.05 |
2008 | 41.23 |
2009 | |
2010 | 45.46 |
2011 | 48.6 |
2012 | 48.5 |
2013 | 47.91 |
2014 | 46.73 |
2015 | 44.63 |
2016 | 41.53 |
2017 | |
2018 | 33.6 |