年度 | 实际值 |
---|---|
1995 | 51.5 |
1996 | 53 |
1997 | 54.92 |
1998 | 56 |
1999 | 54.2 |
2000 | 54.4 |
2001 | 54.6 |
2002 | 55.48 |
2003 | 54.63 |
2004 | 56.21 |
2005 | 50.98 |
2006 | 51.04 |
2007 | 52.79 |
2008 | 53.71 |
2009 | |
2010 | 57.53 |
2011 | 60.51 |
2012 | 60.31 |
2013 | 60.1 |
2014 | 59.31 |
2015 | 58.69 |
2016 | 57.23 |
2017 | |
2018 | 52.46 |