年度 | 实际值 |
---|---|
1995 | 58.3 |
1996 | 56.6 |
1997 | 56.97 |
1998 | 55.8 |
1999 | 55.9 |
2000 | 56 |
2001 | 54.77 |
2002 | 55.25 |
2003 | 56.03 |
2004 | 57.01 |
2005 | 54.77 |
2006 | 55.09 |
2007 | 55.29 |
2008 | 55.41 |
2009 | |
2010 | 55.6 |
2011 | 55.28 |
2012 | 53.43 |
2013 | 52.49 |
2014 | 52.3 |
2015 | 51.2 |
2016 | 51.29 |
2017 | |
2018 | 51.25 |