年度 | 实际值 |
---|---|
1995 | 32.6 |
1996 | 33.8 |
1997 | 35.23 |
1998 | 36.7 |
1999 | 37.8 |
2000 | 38.9 |
2001 | 39.61 |
2002 | 39.72 |
2003 | 38.11 |
2004 | 37.27 |
2005 | 37.69 |
2006 | 38.94 |
2007 | |
2008 | 38.9 |
2009 | |
2010 | 40.51 |
2011 | 40.07 |
2012 | 40.16 |
2013 | 41.44 |
2014 | 43.81 |
2015 | 45.84 |
2016 | 46.44 |
2017 | |
2018 | 55.51 |