Year	Percent
1990-01-01	0.15647400000000000
1991-01-01	0.21335199999999999
1992-01-01	6.24660999999999960
1993-01-01	6.12825000000000000
1994-01-01	6.56837000000000000
1995-01-01	0.21796000000000000
1996-01-01	0.49895400000000000
1997-01-01	0.23102800000000000
1998-01-01	0.25846500000000000
1999-01-01	0.11264100000000000
2000-01-01	0.03081300000000000
2001-01-01	12.10290000000000000
2002-01-01	12.25450000000000000
2003-01-01	13.66810000000000000
2004-01-01	14.16370000000000000
2005-01-01	22.11570000000000000
2006-01-01	31.45800000000000200
2007-01-01	44.67740000000000000
2008-01-01	38.23460000000000000
2009-01-01	46.64720000000000000
2010-01-01	50.51650000000000000
2011-01-01	51.29120000000000000
2012-01-01	47.29440000000000000
2013-01-01	40.47450000000000000
2014-01-01	45.25950000000000000
2015-01-01	42.52000000000000000
2016-01-01	47.42430000000000000