年度 | 实际值 |
---|---|
1995 | 6.9 |
1996 | 5.8 |
1997 | 5.72 |
1998 | 5.7 |
1999 | 3.9 |
2000 | 2.1 |
2001 | 2.15 |
2002 | 2.08 |
2003 | 3.9 |
2004 | 2.19 |
2005 | 2.22 |
2006 | 2.15 |
2007 | 2.25 |
2008 | 2.08 |
2009 | |
2010 | 2.18 |
2011 | 1.95 |
2012 | 1.93 |
2013 | 2.11 |
2014 | 1.86 |
2015 | 1.8 |
2016 | 1.7 |
2017 | 1 |
2018 | 1.13 |