年度 | 实际值 |
---|---|
1992 | 12.9 |
1993 | 14.5 |
1994 | |
1995 | 6.48 |
1996 | 6.42 |
1997 | 5.38 |
1998 | 5.39 |
1999 | 3.86 |
2000 | 6.14 |
2001 | 3.68 |
2002 | 2.77 |
2003 | 4.61 |
2004 | 2.37 |
2005 | 3.13 |
2006 | 5.99 |
2007 | 6.48 |
2008 | 5.63 |
2009 | |
2010 | 4.34 |
2011 | 2.8 |
2012 | 1.4 |
2013 | 1.6 |
2014 | 1.6 |
2015 | 2.14 |
2016 | 2.05 |
2017 | 1.97 |
2018 | 3.24 |