年度 | 实际值 |
---|---|
1995 | 3.1 |
1996 | 3.2 |
1997 | 1.18 |
1998 | 3.2 |
1999 | 3.5 |
2000 | 3.2 |
2001 | 2.9 |
2002 | 2.66 |
2003 | 2.66 |
2004 | 1.91 |
2005 | 1.93 |
2006 | 1.79 |
2007 | 1.18 |
2008 | 1.17 |
2009 | |
2010 | 1.38 |
2011 | 1.39 |
2012 | 2.65 |
2013 | 2.67 |
2014 | 3.12 |
2015 | 3.17 |
2016 | 3.73 |
2017 | 3.19 |
2018 | 2.72 |