年度 | 实际值 |
---|---|
1995 | 1.9 |
1996 | 2.1 |
1997 | 1.97 |
1998 | 1.9 |
1999 | 3 |
2000 | 2.9 |
2001 | 2.91 |
2002 | 2.84 |
2003 | 2.43 |
2004 | 2.42 |
2005 | 5.12 |
2006 | 3.7 |
2007 | 2.07 |
2008 | 1.64 |
2009 | |
2010 | 1.34 |
2011 | 1.35 |
2012 | 1.24 |
2013 | 1.23 |
2014 | 1.65 |
2015 | 9.03 |
2016 | 8.3 |
2017 | 5.56 |
2018 | 5.83 |