年度 | 实际值 |
---|---|
1995 | 36 |
1996 | 37.5 |
1997 | |
1998 | 22.8 |
1999 | 24.9 |
2000 | 25.8 |
2001 | 27.15 |
2002 | 28.35 |
2003 | 27.55 |
2004 | 24.76 |
2005 | 23.99 |
2006 | 25.02 |
2007 | 25.87 |
2008 | 26.08 |
2009 | |
2010 | 29.38 |
2011 | 30.66 |
2012 | 32.73 |
2013 | 34.72 |
2014 | 36.05 |
2015 | 37.05 |
2016 | 38.7 |
2017 | |
2018 | 41.04 |