年度 | 实际值 |
---|---|
1995 | 28.5 |
1996 | 36.1 |
1997 | 35.95 |
1998 | 34.7 |
1999 | 25.3 |
2000 | 28.5 |
2001 | 29.91 |
2002 | 32.42 |
2003 | 34.2 |
2004 | 35.02 |
2005 | 34 |
2006 | 38.71 |
2007 | 46.37 |
2008 | 49.55 |
2009 | |
2010 | 58.62 |
2011 | 61.2 |
2012 | 63.16 |
2013 | 57.66 |
2014 | 56.47 |
2015 | 50.54 |
2016 | 50.15 |
2017 | |
2018 | 26.51 |