Year	Percent
1995-01-01	101.42399999999999
1996-01-01	110.35400000000000
1997-01-01	136.74300000000000
1998-01-01	147.51900000000000
1999-01-01	141.43800000000000
2000-01-01	190.85100000000000
2001-01-01	215.74500000000000
2002-01-01	224.87000000000000
2003-01-01	188.06400000000002
2004-01-01	166.81400000000002
2005-01-01	172.90599999999998
2006-01-01	194.47900000000000
2007-01-01	235.06200000000000
2008-01-01	141.07600000000000
2009-01-01	109.01500000000000
2010-01-01	88.86010000000000
2011-01-01	68.08800000000001
2012-01-01	54.96450000000000
2013-01-01	52.75070000000000
2014-01-01	43.28520000000000
2015-01-01	37.57670000000000
2016-01-01	33.83140000000000