年度 | 实际值 |
---|---|
1995 | 29.4 |
1996 | 29.2 |
1997 | 29.71 |
1998 | 31.6 |
1999 | 35.8 |
2000 | 37.4 |
2001 | 38.39 |
2002 | 37.5 |
2003 | 36.2 |
2004 | 34.44 |
2005 | 31.5 |
2006 | 32.38 |
2007 | 33.02 |
2008 | 33.89 |
2009 | |
2010 | 36.89 |
2011 | 38.47 |
2012 | 40.18 |
2013 | 41.67 |
2014 | 43.7 |
2015 | 45.19 |
2016 | 46.74 |
2017 | |
2018 | 47.95 |