年度 | 实际值 |
---|---|
1998 | 39.2 |
1999 | |
2000 | 29.8 |
2001 | 31.37 |
2002 | 31.37 |
2003 | 34.19 |
2004 | 35.77 |
2005 | 36.41 |
2006 | 41.17 |
2007 | 43.43 |
2008 | 45.95 |
2009 | |
2010 | 52.96 |
2011 | 55.02 |
2012 | 55.7 |
2013 | 55.63 |
2014 | 55.99 |
2015 | 55.33 |
2016 | 54.21 |
2017 | |
2018 | 47.59 |