年度 | 实际值 |
---|---|
1995 | 47 |
1996 | 46.8 |
1997 | 48.74 |
1998 | 49.1 |
1999 | 49.6 |
2000 | 50.5 |
2001 | 51.1 |
2002 | 51.74 |
2003 | 55.2 |
2004 | 56.26 |
2005 | 57.29 |
2006 | 58.02 |
2007 | 57.42 |
2008 | 59.34 |
2009 | |
2010 | 58.14 |
2011 | 60.08 |
2012 | 59.26 |
2013 | 58.7 |
2014 | 57.75 |
2015 | 55.13 |
2016 | 55.07 |
2017 | |
2018 | 54.89 |