年度 | 实际值 |
---|---|
1995 | 28 |
1996 | 33.4 |
1997 | 35.19 |
1998 | 35.3 |
1999 | 35.2 |
2000 | 35.7 |
2001 | 35.48 |
2002 | 36.02 |
2003 | 34.01 |
2004 | 31.46 |
2005 | 31.84 |
2006 | 30.32 |
2007 | 28.09 |
2008 | 27.98 |
2009 | |
2010 | 30.1 |
2011 | 27.35 |
2012 | 31 |
2013 | 36.13 |
2014 | 36.15 |
2015 | 38.33 |
2016 | 41.78 |
2017 | |
2018 | 45.03 |