Year	Percent
1989-01-01	43.34430000000000
1990-01-01	46.63340000000000
1991-01-01	51.30260000000000
1992-01-01	54.69010000000000
1993-01-01	72.66120000000000
1994-01-01	75.61240000000000
1995-01-01	67.18080000000000
1996-01-01	66.64820000000000
1997-01-01	68.43210000000000
1998-01-01	71.18030000000000
1999-01-01	71.16370000000000
2000-01-01	63.38440000000000
2001-01-01	62.89710000000000
2002-01-01	70.04790000000000
2003-01-01	88.39050000000000
2004-01-01	128.17800000000000
2005-01-01	220.11599999999999
2006-01-01	224.85800000000000
2007-01-01	230.82600000000000
2008-01-01	184.91099999999997
2009-01-01	140.87000000000000
2010-01-01	118.34700000000001
2011-01-01	100.31400000000000
2012-01-01	87.24020000000000
2013-01-01	78.44270000000000
2014-01-01	71.91370000000000
2015-01-01	67.63310000000000
2016-01-01	64.12380000000000
2017-01-01	60.80080000000000