年度 | 实际值 |
---|---|
1995 | 16 |
1996 | 12.9 |
1997 | 10.9 |
1998 | 13.5 |
1999 | |
2000 | 21 |
2001 | 16.64 |
2002 | 16.44 |
2003 | 14.82 |
2004 | 13.85 |
2005 | 11.39 |
2006 | 10.91 |
2007 | 11.68 |
2008 | 12.78 |
2009 | |
2010 | 17.1 |
2011 | 16.18 |
2012 | 16.56 |
2013 | 17.19 |
2014 | 16.41 |
2015 | 16.4 |
2016 | 16.49 |
2017 | |
2018 | 14.95 |