年度 | 实际值 |
---|---|
1995 | 44.6 |
1996 | 48 |
1997 | 39.65 |
1998 | 40.5 |
1999 | 42.7 |
2000 | 42.6 |
2001 | 44.09 |
2002 | 49.37 |
2003 | 50.21 |
2004 | 52 |
2005 | 50.42 |
2006 | 53.92 |
2007 | 54.52 |
2008 | 53.8 |
2009 | |
2010 | 52.37 |
2011 | 53.48 |
2012 | 53.06 |
2013 | 52.93 |
2014 | 50.89 |
2015 | 51.04 |
2016 | 49.68 |
2017 | |
2018 | 38.61 |