Year Percent 1993-01-01 0.004533000000000000 1994-01-01 0.019931000000000000 1995-01-01 0.064876000000000000 1996-01-01 0.070321000000000010 1997-01-01 0.049362000000000000 1998-01-01 0.045999000000000000 1999-01-01 0.053354000000000000 2000-01-01 0.049350000000000000 2001-01-01 0.026032000000000000 2002-01-01 0.026452000000000000 2003-01-01 0.025688000000000000 2004-01-01 0.027814000000000000 2005-01-01 0.026227999999999998 2006-01-01 0.018720000000000000 2007-01-01 0.013387000000000000 2008-01-01 0.015681000000000000 2009-01-01 0.015681000000000000 2010-01-01 0.017566000000000000 2011-01-01 0.130262000000000000 2012-01-01 0.240231000000000000 2013-01-01 0.199396000000000000 2014-01-01 0.156373000000000000 2015-01-01 1.224700000000000000 2016-01-01 3.077909999999999700