年度 | 实际值 |
---|---|
1995 | 22.5 |
1996 | 24 |
1997 | 31.1 |
1998 | 31.2 |
1999 | 31.5 |
2000 | 32.8 |
2001 | 33.45 |
2002 | 35.8 |
2003 | 35.01 |
2004 | 34.61 |
2005 | 32.37 |
2006 | 31.32 |
2007 | 32.32 |
2008 | 31.15 |
2009 | |
2010 | 33.56 |
2011 | 32.22 |
2012 | 32.87 |
2013 | 35.03 |
2014 | 34.98 |
2015 | 35.69 |
2016 | 36.98 |
2017 | |
2018 | 42.2 |