年度 | 实际值 |
---|---|
1992 | 5.6 |
1993 | 6.4 |
1994 | |
1995 | 5.47 |
1996 | 5.47 |
1997 | 5.12 |
1998 | 6.06 |
1999 | 4.76 |
2000 | 5.67 |
2001 | 4.53 |
2002 | 4.52 |
2003 | 4.46 |
2004 | 4.21 |
2005 | 4.8 |
2006 | 4.27 |
2007 | 3.88 |
2008 | 3.44 |
2009 | |
2010 | 3.54 |
2011 | 3.3 |
2012 | 1.2 |
2013 | 5.1 |
2014 | 5.6 |
2015 | 4.65 |
2016 | 5.49 |
2017 | 3.62 |
2018 | 3.56 |