年度 | 实际值 |
---|---|
1995 | 29.9 |
1996 | 25.8 |
1997 | 35.37 |
1998 | 33.6 |
1999 | 28.7 |
2000 | 32 |
2001 | 32.83 |
2002 | 33.55 |
2003 | 33.45 |
2004 | 37.18 |
2005 | 38.95 |
2006 | 37.61 |
2007 | 32.3 |
2008 | 30.92 |
2009 | |
2010 | 26.23 |
2011 | 24.4 |
2012 | 23.09 |
2013 | 27.89 |
2014 | 29.35 |
2015 | 35.1 |
2016 | 36.37 |
2017 | |
2018 | 52.7 |