年度 | 实际值 |
---|---|
1995 | 28.3 |
1996 | 30.7 |
1997 | 31.93 |
1998 | 35.8 |
1999 | 35.9 |
2000 | 35 |
2001 | 35.4 |
2002 | 35.84 |
2003 | 35.15 |
2004 | 34.87 |
2005 | 33.11 |
2006 | 32.63 |
2007 | 33.06 |
2008 | 33.08 |
2009 | |
2010 | 34.33 |
2011 | 32.85 |
2012 | 34.71 |
2013 | 35.8 |
2014 | 36.98 |
2015 | 39.28 |
2016 | 40.77 |
2017 | |
2018 | 42.52 |