年度 | 实际值 |
---|---|
1992 | 15.2 |
1993 | |
1994 | |
1995 | 16.4 |
1996 | |
1997 | |
1998 | |
1999 | 17.6 |
2000 | 17.7 |
2001 | 20 |
2002 | 19.7116 |
2003 | 19.8246 |
2004 | 20.0518 |
2005 | 21.6254 |
2006 | 21.8197 |
2007 | 21.8999 |
2008 | 22.1639 |
2009 | 21.1426 |
2010 | 21.3489 |
2011 | 20 |
2012 | 21 |
2013 | |
2014 | 5.04 |
2015 | 12.7949 |