年度 | 实际值 |
---|---|
1995 | 28 |
1996 | 26.7 |
1997 | 27.12 |
1998 | 29.9 |
1999 | 30.8 |
2000 | 31.7 |
2001 | 31.79 |
2002 | 33.15 |
2003 | 34.97 |
2004 | 37.95 |
2005 | 37.25 |
2006 | 38.2 |
2007 | 39.14 |
2008 | 40.54 |
2009 | |
2010 | 42.45 |
2011 | 44.21 |
2012 | 46.1 |
2013 | 49.41 |
2014 | 48.03 |
2015 | 45.13 |
2016 | 40.99 |
2017 | |
2018 | 34.36 |