年度 | 实际值 |
---|---|
1995 | 27 |
1996 | 27.8 |
1997 | 30.37 |
1998 | 31.7 |
1999 | 32 |
2000 | 32.8 |
2001 | 33.11 |
2002 | 34.4 |
2003 | 33.98 |
2004 | 32.7 |
2005 | 36.81 |
2006 | 35.78 |
2007 | 34.93 |
2008 | 31.39 |
2009 | |
2010 | 33.5 |
2011 | 33.47 |
2012 | 33.3 |
2013 | 32.13 |
2014 | 32.41 |
2015 | 34.2 |
2016 | 35.09 |
2017 | |
2018 | 35.77 |