Years | Beijing | China | The United States | Japan |
2006 | 0.367 | 2.738 | 0.897 | 0.341 |
2007 | 0.510 | 2.568 | 0.917 | 0.675 |
2008 | 0.567 | 2.643 | 0.931 | 0.613 |
2009 | 0.365 | 2.594 | 0.896 | 0.537 |
2010 | 0.526 | 2.784 | 0.884 | 0.474 |
2011 | 0.688 | 2.816 | 0.923 | 0.482 |
2012 | 0.746 | 2.887 | 0.958 | 0.408 |