年度 | 实际值 |
---|---|
1995 | 11.4 |
1996 | 10.3 |
1997 | 26.44 |
1998 | 6.6 |
1999 | 7.3 |
2000 | 7.3 |
2001 | 6.77 |
2002 | 7.26 |
2003 | 5.38 |
2004 | 4.92 |
2005 | 5.95 |
2006 | 4.52 |
2007 | 5.31 |
2008 | 6.54 |
2009 | |
2010 | 6.38 |
2011 | 6.65 |
2012 | 7.1 |
2013 | 7.27 |
2014 | 6.77 |
2015 | 6.63 |
2016 | 5.46 |
2017 | 4.92 |
2018 | 4.61 |