年度 | 实际值 |
---|---|
1995 | 1.6 |
1996 | 2.4 |
1997 | 2.48 |
1998 | 2.4 |
1999 | 2.4 |
2000 | 2.1 |
2001 | 4.87 |
2002 | 4.43 |
2003 | 4.11 |
2004 | 3.69 |
2005 | 3.13 |
2006 | 2.7 |
2007 | 2.37 |
2008 | 2.17 |
2009 | |
2010 | 2.15 |
2011 | 1.89 |
2012 | 1.82 |
2013 | 1.73 |
2014 | 1.96 |
2015 | 1.87 |
2016 | 1.73 |
2017 | 1.85 |
2018 | 1.7 |