年度 | 实际值 |
---|---|
1995 | 35.3 |
1996 | 31.3 |
1997 | 30.45 |
1998 | 31.8 |
1999 | |
2000 | |
2001 | |
2002 | 26.39 |
2003 | 32.35 |
2004 | 34.85 |
2005 | 36.76 |
2006 | 40.53 |
2007 | 45.23 |
2008 | 45.31 |
2009 | |
2010 | 46.14 |
2011 | 41.34 |
2012 | 35.38 |
2013 | 35.9 |
2014 | 34.13 |
2015 | 32.36 |
2016 | 30.41 |
2017 | |
2018 | 31.69 |