年度 | 实际值 |
---|---|
1993 | 19 |
1994 | |
1995 | 20 |
1996 | 20.3 |
1997 | |
1998 | |
1999 | |
2000 | |
2001 | |
2002 | |
2003 | 33.09 |
2004 | 33.18 |
2005 | 28 |
2006 | 31.83 |
2007 | 32 |
2008 | 33.61 |
2009 | |
2010 | 34.11 |
2011 | 36.03 |
2012 | 38.17 |
2013 | 36.44 |
2014 | 35.78 |
2015 | 37.06 |
2016 | 35.47 |
2017 | 37.21 |
2018 | 37.22 |