年度 | 实际值 |
---|---|
1995 | 32.3 |
1996 | 29.2 |
1997 | 26.75 |
1998 | 27.1 |
1999 | 27.2 |
2000 | 27.2 |
2001 | 27.88 |
2002 | 28.37 |
2003 | 28.77 |
2004 | 30.82 |
2005 | 33.59 |
2006 | 33.31 |
2007 | 33.98 |
2008 | 34.12 |
2009 | |
2010 | 35.15 |
2011 | 35.99 |
2012 | 36.57 |
2013 | 37 |
2014 | 38.74 |
2015 | 40.2 |
2016 | 41.12 |
2017 | |
2018 | 43.03 |