年度 | 实际值 |
---|---|
1995 | 51.6 |
1996 | 54.7 |
1997 | 53.59 |
1998 | 29.6 |
1999 | 30.5 |
2000 | 30.5 |
2001 | 33.58 |
2002 | 31.37 |
2003 | 32.4 |
2004 | 29.86 |
2005 | 32.38 |
2006 | 32.8 |
2007 | 33.78 |
2008 | 33 |
2009 | |
2010 | 31.41 |
2011 | 32.12 |
2012 | 33.02 |
2013 | 33.02 |
2014 | 33.43 |
2015 | 35.65 |
2016 | 38.56 |
2017 | |
2018 | 43.72 |