年度 | 实际值 |
---|---|
1995 | 51.9 |
1996 | 48.1 |
1997 | 48 |
1998 | 49.6 |
1999 | 52.2 |
2000 | 51 |
2001 | 52.32 |
2002 | 54.95 |
2003 | 51.79 |
2004 | 55.4 |
2005 | 47.19 |
2006 | 44.97 |
2007 | 48.08 |
2008 | 46.13 |
2009 | |
2010 | 54.57 |
2011 | 53.08 |
2012 | 51.3 |
2013 | 50.62 |
2014 | 50.81 |
2015 | 48.93 |
2016 | 47.69 |
2017 | |
2018 | 48.26 |