年度 | 实际值 |
---|---|
1995 | 28 |
1996 | 29.1 |
1997 | 29.71 |
1998 | 35.4 |
1999 | 30.5 |
2000 | 32.2 |
2001 | 33.74 |
2002 | 34.65 |
2003 | 33.33 |
2004 | 31.94 |
2005 | 35.42 |
2006 | 33.87 |
2007 | 35.25 |
2008 | 35.6 |
2009 | |
2010 | 38.54 |
2011 | 39.7 |
2012 | 42.31 |
2013 | 43.22 |
2014 | 42.97 |
2015 | 43.7 |
2016 | 44.9 |
2017 | |
2018 | 50.2 |