Feb 2006Dec 2006Oct 2007Aug 2008Jun 2009Apr 2010Feb 2011Dec 2011Oct 2012Aug 2013Jun 2014Apr 2015Feb 2016Dec 2016Oct 2017Aug 2018Jun 2019Apr 202050.00%51.00%52.00%53.00%54.00%55.00%56.00%57.00%58.00%59.00%60.00%61.00%62.00%63.00%64.00%65.00%66.00%
63%