年度 | 实际值 |
---|---|
1995 | 23.9 |
1996 | 24.7 |
1997 | 30.36 |
1998 | 25.5 |
1999 | |
2000 | 27.1 |
2001 | 21.29 |
2002 | 21 |
2003 | 21.73 |
2004 | 21.84 |
2005 | 8.05 |
2006 | 8.57 |
2007 | 9.9 |
2008 | 10.21 |
2009 | |
2010 | 9.74 |
2011 | 11.05 |
2012 | 11.82 |
2013 | 15.72 |
2014 | 26.66 |
2015 | 26.39 |
2016 | 25.82 |
2017 | 25.77 |
2018 | 27.71 |