年度 | 实际值 |
---|---|
1992 | 8 |
1993 | 7.7 |
1994 | |
1995 | 6.09 |
1996 | 5.32 |
1997 | 4.64 |
1998 | 5.11 |
1999 | 4.85 |
2000 | 6.02 |
2001 | 3.06 |
2002 | 2.96 |
2003 | 4.07 |
2004 | 6.88 |
2005 | 4.6 |
2006 | 6.34 |
2007 | 7.86 |
2008 | 5.67 |
2009 | |
2010 | 1.13 |
2011 | 5.8 |
2012 | 5.2 |
2013 | 5.7 |
2014 | 3.9 |
2015 | 4.79 |
2016 | 4.35 |
2017 | 0.97 |
2018 | 4.41 |