年度 | 实际值 |
---|---|
1995 | 24.5 |
1996 | 24.4 |
1997 | 25.53 |
1998 | |
1999 | 29.8 |
2000 | 30.2 |
2001 | 30.57 |
2002 | 32.24 |
2003 | 31.82 |
2004 | 30.8 |
2005 | 35.17 |
2006 | 35.52 |
2007 | 34.36 |
2008 | 34.42 |
2009 | |
2010 | 34.9 |
2011 | 34.35 |
2012 | 33.64 |
2013 | 32.81 |
2014 | 32.73 |
2015 | 34.08 |
2016 | 35.72 |
2017 | |
2018 | 37.63 |