年度 | 实际值 |
---|---|
1995 | 22.3 |
1996 | 8.7 |
1997 | 1.38 |
1998 | 8.3 |
1999 | 7.8 |
2000 | 6.9 |
2001 | 6.75 |
2002 | 6.41 |
2003 | 5.26 |
2004 | 12.88 |
2005 | 12.8 |
2006 | 11.45 |
2007 | 10.58 |
2008 | 9.24 |
2009 | |
2010 | 10.01 |
2011 | 8.36 |
2012 | 8.32 |
2013 | 7.98 |
2014 | 7.01 |
2015 | 8.98 |
2016 | 8.53 |
2017 | 8.31 |
2018 | 7.78 |