年度 | 实际值 |
---|---|
1998 | 35.2 |
1999 | 39.9 |
2000 | 43.3 |
2001 | 45.36 |
2002 | 43.89 |
2003 | 42.04 |
2004 | 37.76 |
2005 | 38.66 |
2006 | 39.05 |
2007 | 37.71 |
2008 | 36.14 |
2009 | |
2010 | 35.92 |
2011 | 32.16 |
2012 | 31.66 |
2013 | 32 |
2014 | 32.99 |
2015 | 34.9 |
2016 | 35.81 |
2017 | 43.63 |
2018 | 44.62 |