年度 | 实际值 |
---|---|
1995 | 12.9 |
1996 | 12.1 |
1997 | 11.23 |
1998 | 10.7 |
1999 | 10.1 |
2000 | 9.9 |
2001 | 9.69 |
2002 | 9.39 |
2003 | 8.9 |
2004 | 8.44 |
2005 | 6.83 |
2006 | 6.03 |
2007 | 5.54 |
2008 | 5.42 |
2009 | |
2010 | 5.34 |
2011 | 5.78 |
2012 | 5.65 |
2013 | 5.57 |
2014 | 5.35 |
2015 | 5.18 |
2016 | 5.15 |
2017 | |
2018 | 4.4 |