Year Right HandedLeft Handed
2007 0.378 0.344
2008 0.316 0.293
2009 0.261 0.309
2010 0.317 0.377
2011 0.360 0.320
2012 0.420 0.383
2013 0.423 0.337
2014 0.463 0.396
2015 0.469 0.303