年度 | 实际值 |
---|---|
1997 | 48.97 |
1998 | 16.1 |
1999 | |
2000 | |
2001 | |
2002 | 36.94 |
2003 | 23.81 |
2004 | 22.41 |
2005 | 29.63 |
2006 | 27.95 |
2007 | 26.92 |
2008 | 24.8 |
2009 | |
2010 | 31.1 |
2011 | 28.31 |
2012 | 28.68 |
2013 | 30.76 |
2014 | 32.13 |
2015 | 39.07 |
2016 | 38.66 |
2017 | 42.78 |
2018 | 47.37 |