年度 | 实际值 |
---|---|
1995 | 6.9 |
1996 | 7.1 |
1997 | 6.51 |
1998 | |
1999 | 36.8 |
2000 | 34.6 |
2001 | 33.09 |
2002 | 31.4 |
2003 | 29.17 |
2004 | 28.64 |
2005 | 25.84 |
2006 | 23.27 |
2007 | 21.82 |
2008 | 20.73 |
2009 | |
2010 | 18.92 |
2011 | 17.42 |
2012 | 16.73 |
2013 | 15.98 |
2014 | 15.33 |
2015 | 14.97 |
2016 | 15.15 |
2017 | |
2018 | 12.12 |