年度 | 实际值 |
---|---|
1995 | 3.2 |
1996 | 3 |
1997 | 1.98 |
1998 | 2.8 |
1999 | 2.8 |
2000 | 2.7 |
2001 | 2.01 |
2002 | 2.26 |
2003 | 1.93 |
2004 | 1.78 |
2005 | 2.64 |
2006 | 2.55 |
2007 | 2.38 |
2008 | 2.16 |
2009 | |
2010 | 2.13 |
2011 | 1.65 |
2012 | 1.67 |
2013 | 1.73 |
2014 | 1.76 |
2015 | 1.66 |
2016 | 1.65 |
2017 | 1.4 |
2018 | 1.3 |