年度 | 实际值 |
---|---|
1995 | 32.4 |
1996 | 30.9 |
1997 | 27.4 |
1998 | 26 |
1999 | 28.1 |
2000 | 30.1 |
2001 | 32.31 |
2002 | 32.58 |
2003 | 30.37 |
2004 | 28.17 |
2005 | 36.82 |
2006 | 37.27 |
2007 | 36.65 |
2008 | 36.98 |
2009 | |
2010 | 35.12 |
2011 | 34.08 |
2012 | 35.44 |
2013 | 35.71 |
2014 | 37.36 |
2015 | 38.13 |
2016 | 39.3 |
2017 | |
2018 | 48.38 |