年度 | 实际值 |
---|---|
1992 | 2.9 |
1993 | |
1994 | |
1995 | 3 |
1996 | |
1997 | |
1998 | |
1999 | 3.5 |
2000 | 3.5 |
2001 | 4 |
2002 | 3.487 |
2003 | 3.6766 |
2004 | 3.8522 |
2005 | 4.0528 |
2006 | 4.5835 |
2007 | 4.7131 |
2008 | 4.727 |
2009 | 4.8004 |
2010 | 4.831 |
2011 | 5 |
2012 | 5 |
2013 | |
2014 | 4.89 |
2015 | 6.1201 |