年度 | 实际值 |
---|---|
1992 | 7.1 |
1993 | 6.2 |
1994 | |
1995 | 5.04 |
1996 | 4.63 |
1997 | 4.74 |
1998 | 5.27 |
1999 | 4.52 |
2000 | 11.64 |
2001 | 5.03 |
2002 | 4.33 |
2003 | 5.23 |
2004 | 3.81 |
2005 | 5.3 |
2006 | 6.17 |
2007 | 5.16 |
2008 | 6.06 |
2009 | |
2010 | 4.48 |
2011 | 5 |
2012 | 1.4 |
2013 | 8.2 |
2014 | 9.2 |
2015 | 11.6 |
2016 | 9.58 |
2017 | 1.8 |
2018 | 7.31 |