2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | |
HK | 0.54 | 0.59 | 0.63 | 0.63 | 0.58 | 0.62 | 0.61 | 0.61 | 0.56 | 0.55 | - |
Singapore | 0.57 | 0.74 | 0.81 | 0.90 | 0.85 | 0.90 | 0.99 | 1.03 | 1.08 | 1.09 | 0.98 |