年度 | 实际值 |
---|---|
1995 | 58.6 |
1996 | 61.2 |
1997 | 57.09 |
1998 | 56.3 |
1999 | |
2000 | 51.7 |
2001 | 47.22 |
2002 | 44.77 |
2003 | 43.17 |
2004 | 42.41 |
2005 | 44.71 |
2006 | 41.51 |
2007 | 41.61 |
2008 | 41.74 |
2009 | |
2010 | 29.07 |
2011 | 25.13 |
2012 | 23.82 |
2013 | 19 |
2014 | 17.66 |
2015 | 16.75 |
2016 | 16.51 |
2017 | |
2018 | 15.21 |