年度 | 实际值 |
---|---|
1995 | 34.9 |
1996 | |
1997 | |
1998 | 31 |
1999 | |
2000 | 41.4 |
2001 | 41.19 |
2002 | 41.01 |
2003 | 37.82 |
2004 | 39.69 |
2005 | 34.51 |
2006 | 32.47 |
2007 | 29.82 |
2008 | 29.45 |
2009 | |
2010 | 26.75 |
2011 | 26.18 |
2012 | 25.31 |
2013 | 24.65 |
2014 | 22.01 |
2015 | 20.69 |
2016 | 19.72 |
2017 | |
2018 | 16.47 |