Year	Percent
1992-01-01	40.4446000000000000
1993-01-01	19.5320000000000000
1994-01-01	3.0869999999999997
1995-01-01	5.5055900000000000
1996-01-01	5.7765800000000000
1997-01-01	5.3887900000000000
1998-01-01	6.3182199999999990
1999-01-01	8.0508000000000000
2000-01-01	9.0843000000000000
2001-01-01	8.1904600000000000
2002-01-01	6.5723400000000000
2003-01-01	5.5896099999999995
2004-01-01	5.8586500000000000
2005-01-01	6.9155700000000000
2006-01-01	7.7592899999999990
2007-01-01	10.2685000000000000
2008-01-01	15.0404000000000000
2009-01-01	22.0585000000000000
2010-01-01	24.7305000000000000
2011-01-01	29.8894000000000000
2012-01-01	34.2853000000000000
2013-01-01	38.9091000000000000
2014-01-01	42.2983000000000000
2015-01-01	44.4334000000000000
2016-01-01	44.4086000000000000