年度 | 实际值 |
---|---|
1995 | 38.9 |
1996 | 34.5 |
1997 | 36.31 |
1998 | 34.2 |
1999 | 35.1 |
2000 | 36 |
2001 | 36.21 |
2002 | 36.62 |
2003 | 36.69 |
2004 | 36.35 |
2005 | 36.87 |
2006 | 37.11 |
2007 | 36.26 |
2008 | 35.93 |
2009 | |
2010 | 37.5 |
2011 | 37.6 |
2012 | 37.12 |
2013 | 36.42 |
2014 | 38.29 |
2015 | 39.63 |
2016 | 43.39 |
2017 | |
2018 | 52.74 |