年度 | 实际值 |
---|---|
1995 | 2.8 |
1996 | 2.8 |
1997 | 20.19 |
1998 | 2.4 |
1999 | 2.5 |
2000 | 2.1 |
2001 | 1.83 |
2002 | 2.11 |
2003 | 3.84 |
2004 | 3.6 |
2005 | |
2006 | 2.78 |
2007 | 3.05 |
2008 | 4.05 |
2009 | |
2010 | 3.24 |
2011 | 3.32 |
2012 | 2.82 |
2013 | 2.32 |
2014 | 3.1 |
2015 | 2.91 |
2016 | 3.04 |
2017 | 2.84 |
2018 | 3.64 |