年度 | 实际值 |
---|---|
1995 | 39.7 |
1996 | 36.5 |
1997 | 40.95 |
1998 | 38.1 |
1999 | |
2000 | 39.2 |
2001 | 41.55 |
2002 | 42.73 |
2003 | 44.21 |
2004 | 46.87 |
2005 | 44.82 |
2006 | 46.06 |
2007 | 46.53 |
2008 | 48.62 |
2009 | |
2010 | 49.54 |
2011 | 50.33 |
2012 | 50.27 |
2013 | 50.64 |
2014 | 48.07 |
2015 | 45.67 |
2016 | 44.9 |
2017 | |
2018 | 41.43 |