年度 | 实际值 |
---|---|
1992 | 8.9 |
1993 | 7.2 |
1994 | |
1995 | 7.15 |
1996 | 5.65 |
1997 | 6.42 |
1998 | 6.14 |
1999 | 5.11 |
2000 | 5.66 |
2001 | 4.4 |
2002 | 3.49 |
2003 | 3.44 |
2004 | 5.27 |
2005 | 4.12 |
2006 | 3.8 |
2007 | 3.94 |
2008 | 3.18 |
2009 | |
2010 | 1.99 |
2011 | 2.1 |
2012 | 2.7 |
2013 | 2.7 |
2014 | 2.7 |
2015 | 4.42 |
2016 | 5.51 |
2017 | 6.16 |
2018 | 2.76 |