年度 | 实际值 |
---|---|
2000 | 1 |
2001 | 2.6 |
2002 | 3.2 |
2003 | 9.3 |
2004 | 18.2 |
2005 | 25.9 |
2006 | 25.7 |
2007 | 27.12474596 |
2008 | 20.2374658020013 |
2009 | 20.2 |
2010 | 22.7 |
2011 | 10.4000264337447 |
2012 | 5.28802543547428 |
2013 | 9.1 |
2014 | 12.1 |
2015 | 8.57643579702503 |
2016 | 7.4 |
2017 | 8.6 |
2018 | 6.4 |