年度 | 实际值 |
---|---|
1992 | 7.8 |
1993 | 7.4 |
1994 | |
1995 | 5.52 |
1996 | 5.17 |
1997 | 5.18 |
1998 | 5.24 |
1999 | 4.22 |
2000 | 3.17 |
2001 | 4.46 |
2002 | 3.13 |
2003 | 3.23 |
2004 | 3.06 |
2005 | 2.33 |
2006 | 2.18 |
2007 | 2.22 |
2008 | 3.97 |
2009 | |
2010 | 4.69 |
2011 | 3.4 |
2012 | 3.1 |
2013 | 7.2 |
2014 | 4.7 |
2015 | 13.22 |
2016 | 8.84 |
2017 | 5.81 |
2018 | 7.56 |