年度 | 实际值 |
---|---|
1995 | 27.6 |
1996 | 28 |
1997 | 29.32 |
1998 | 29.8 |
1999 | 31.1 |
2000 | 32.5 |
2001 | 32.33 |
2002 | 33.67 |
2003 | 36.47 |
2004 | 34.18 |
2005 | 30.1 |
2006 | 30.77 |
2007 | 32.36 |
2008 | 32.39 |
2009 | |
2010 | 33.13 |
2011 | 34 |
2012 | 34.47 |
2013 | 34.73 |
2014 | 35.45 |
2015 | 41.38 |
2016 | 42.99 |
2017 | |
2018 | 47.44 |