年度 | 实际值 |
---|---|
1995 | 38.7 |
1996 | 43 |
1997 | 40.55 |
1998 | 32 |
1999 | |
2000 | 29.2 |
2001 | 32.62 |
2002 | 33.66 |
2003 | 36.73 |
2004 | 41.03 |
2005 | 42.44 |
2006 | 44.46 |
2007 | 45.84 |
2008 | 47.42 |
2009 | |
2010 | 50.96 |
2011 | 53.93 |
2012 | 52.36 |
2013 | 50.61 |
2014 | 50.25 |
2015 | 48.67 |
2016 | 46.82 |
2017 | |
2018 | 46.51 |