年度 | 实际值 |
---|---|
1995 | 36.2 |
1996 | |
1997 | |
1998 | |
1999 | |
2000 | 26.7 |
2001 | 27.86 |
2002 | 31.32 |
2003 | 35.63 |
2004 | 40.24 |
2005 | 43 |
2006 | 45.91 |
2007 | 48.39 |
2008 | 50.52 |
2009 | |
2010 | 52.85 |
2011 | 54.55 |
2012 | 54.51 |
2013 | 54.32 |
2014 | 53.58 |
2015 | 52.79 |
2016 | 51.27 |
2017 | |
2018 | 51 |