年度 | 实际值 |
---|---|
1995 | 55.6 |
1996 | 54.4 |
1997 | 33.81 |
1998 | 59.3 |
1999 | 60.9 |
2000 | 61.4 |
2001 | 63 |
2002 | 62.46 |
2003 | 60.28 |
2004 | 57.12 |
2005 | |
2006 | 48.86 |
2007 | 47.2 |
2008 | 42.74 |
2009 | |
2010 | 45.62 |
2011 | 37.43 |
2012 | 37.33 |
2013 | 30.61 |
2014 | 28.95 |
2015 | 37.81 |
2016 | 39.35 |
2017 | 40.48 |
2018 | 56.39 |