年度 | 实际值 |
---|---|
1992 | 14 |
1993 | |
1994 | |
1995 | 14 |
1996 | |
1997 | |
1998 | |
1999 | 14.3 |
2000 | 14.4 |
2001 | 14 |
2002 | 14.467 |
2003 | 14.2811 |
2004 | 14.3097 |
2005 | 14.41 |
2006 | 14.4875 |
2007 | 14.6594 |
2008 | 14.7452 |
2009 | 14.9343 |
2010 | 15.0234 |
2011 | 15 |
2012 | 15 |
2013 | |
2014 | 7.95 |
2015 | 17.3093 |