年度 | 实际值 |
---|---|
1995 | 5.8 |
1996 | 5.4 |
1997 | 32.41 |
1998 | 5.3 |
1999 | 4.9 |
2000 | 4.9 |
2001 | 4.09 |
2002 | 3.92 |
2003 | 3.77 |
2004 | 3.93 |
2005 | 5.45 |
2006 | 4.98 |
2007 | 4.44 |
2008 | 5.51 |
2009 | |
2010 | 4.51 |
2011 | 3.56 |
2012 | 3.4 |
2013 | 3.16 |
2014 | 2.69 |
2015 | 2.7 |
2016 | 2.73 |
2017 | 1.98 |
2018 | 1.91 |