年度 | 实际值 |
---|---|
1995 | 44.8 |
1996 | 41.1 |
1997 | 42.61 |
1998 | 43.3 |
1999 | |
2000 | 37.1 |
2001 | 38.29 |
2002 | 39.14 |
2003 | 42.23 |
2004 | 40.88 |
2005 | 39.72 |
2006 | 41.04 |
2007 | 42.54 |
2008 | 42.77 |
2009 | |
2010 | 45.42 |
2011 | 46.45 |
2012 | 47.59 |
2013 | 49.91 |
2014 | 51.52 |
2015 | 45.92 |
2016 | 45.95 |
2017 | |
2018 | 45.13 |