Year	Percent
1989-01-01	0.09594300000000000
1990-01-01	0.13407000000000000
1991-01-01	0.17670999999999998
1992-01-01	0.18945100000000000
1993-01-01	1.52411000000000000
1994-01-01	1.84228000000000000
1995-01-01	4.31147000000000000
1996-01-01	5.24808000000000000
1997-01-01	6.42800000000000000
1998-01-01	10.00620000000000000
1999-01-01	16.09060000000000000
2000-01-01	14.06950000000000000
2001-01-01	5.91873000000000000
2002-01-01	3.30614000000000000
2003-01-01	3.56633000000000020
2004-01-01	5.64043000000000000
2005-01-01	9.44048000000000000
2006-01-01	13.01940000000000000
2007-01-01	21.26110000000000000
2008-01-01	20.92680000000000000
2009-01-01	11.38860000000000000
2010-01-01	7.40986000000000100
2011-01-01	5.16838000000000000
2012-01-01	3.72663000000000000
2013-01-01	3.20070000000000000
2014-01-01	2.84680000000000000
2015-01-01	2.75408000000000000
2016-01-01	2.95020999999999980
2017-01-01	3.38670000000000000