年度 | 实际值 |
---|---|
1995 | 14.4 |
1996 | 15.6 |
1997 | 7.69 |
1998 | 12.5 |
1999 | 12.7 |
2000 | 11.6 |
2001 | 11.51 |
2002 | 10.79 |
2003 | 8.71 |
2004 | 6.86 |
2005 | 4.36 |
2006 | 3.01 |
2007 | 2.01 |
2008 | 1.92 |
2009 | |
2010 | 1.52 |
2011 | 1.21 |
2012 | 1.19 |
2013 | 1.07 |
2014 | .95 |
2015 | .9 |
2016 | 0.86 |
2017 | 0.73 |
2018 | 0.73 |