年度 | 实际值 |
---|---|
1995 | 34.3 |
1996 | 33.8 |
1997 | 35.35 |
1998 | 39 |
1999 | 39.9 |
2000 | 39.1 |
2001 | 42.03 |
2002 | 41.25 |
2003 | 39.73 |
2004 | 37.62 |
2005 | 30.92 |
2006 | 30.73 |
2007 | 29.8 |
2008 | 30.32 |
2009 | |
2010 | 30.52 |
2011 | 30.5 |
2012 | 30.5 |
2013 | 30.8 |
2014 | 35.35 |
2015 | 37.67 |
2016 | 49.02 |
2017 | |
2018 | 40.6 |