年度 | 实际值 |
---|---|
1998 | 39.1 |
1999 | 38.2 |
2000 | 36.9 |
2001 | 33.01 |
2002 | 34.37 |
2003 | 36.75 |
2004 | 37.31 |
2005 | 37.18 |
2006 | 38.55 |
2007 | 38.83 |
2008 | 40.48 |
2009 | |
2010 | 48.26 |
2011 | 51.38 |
2012 | 52.2 |
2013 | 52.38 |
2014 | 52.51 |
2015 | 51.73 |
2016 | 51.64 |
2017 | |
2018 | 46.01 |