Year	Percent
1993-01-01	10.0533
1994-01-01	13.2436
1995-01-01	14.4137
1996-01-01	18.6095
1997-01-01	25.9705
1998-01-01	31.6907
1999-01-01	32.1474
2000-01-01	33.0009
2001-01-01	37.1152
2002-01-01	41.9638
2003-01-01	47.5005
2004-01-01	55.1309
2005-01-01	47.6585
2006-01-01	63.3636
2007-01-01	74.8350
2008-01-01	89.9216
2009-01-01	105.1180
2010-01-01	98.5363
2011-01-01	83.5694
2012-01-01	76.3219
2013-01-01	73.1466
2014-01-01	70.9015
2015-01-01	71.6014
2016-01-01	72.4761