年度 | 实际值 |
---|---|
1995 | 15.6 |
1996 | 15.8 |
1997 | 2.74 |
1998 | 8.5 |
1999 | 7.4 |
2000 | 6.6 |
2001 | 5.86 |
2002 | 15.81 |
2003 | 14.36 |
2004 | 13.85 |
2005 | 13.13 |
2006 | 12.34 |
2007 | 11.78 |
2008 | 11.39 |
2009 | |
2010 | 10.19 |
2011 | 8.51 |
2012 | 8.15 |
2013 | 7.69 |
2014 | 6.59 |
2015 | 6.28 |
2016 | 6.35 |
2017 | 5.56 |
2018 | 5.32 |