年度 | 实际值 |
---|---|
1995 | 2.1 |
1996 | 4 |
1997 | 3.42 |
1998 | 2.9 |
1999 | 2.6 |
2000 | 3.2 |
2001 | 1.65 |
2002 | 2.1 |
2003 | 2.21 |
2004 | 1.95 |
2005 | 2.03 |
2006 | 1.93 |
2007 | 2.37 |
2008 | 2.25 |
2009 | |
2010 | 3.4 |
2011 | 1.44 |
2012 | 1.32 |
2013 | 1.41 |
2014 | 1.28 |
2015 | 1.4 |
2016 | 1.56 |
2017 | 1.47 |
2018 | 2.1 |