年度 | 实际值 |
---|---|
1995 | 35 |
1996 | 40.2 |
1997 | 48.92 |
1998 | 46.4 |
1999 | |
2000 | 31.3 |
2001 | 32.45 |
2002 | 32.83 |
2003 | 31.84 |
2004 | 31.56 |
2005 | 36.36 |
2006 | 35.93 |
2007 | 33.4 |
2008 | 30.03 |
2009 | |
2010 | 29.67 |
2011 | 28.36 |
2012 | 30.33 |
2013 | 31.67 |
2014 | 32.51 |
2015 | 34.16 |
2016 | 35.53 |
2017 | |
2018 | 42.71 |