Year	Percent
1996-01-01	80.4598
1997-01-01	72.4877
1998-01-01	81.5029
1999-01-01	92.1671
2000-01-01	102.7620
2001-01-01	97.1879
2002-01-01	90.5071
2003-01-01	94.1959
2004-01-01	90.6786
2005-01-01	83.8587
2006-01-01	94.0453
2007-01-01	89.0178
2008-01-01	68.0823
2009-01-01	72.6172
2010-01-01	69.2921
2011-01-01	69.6394
2012-01-01	53.2629
2013-01-01	58.1912
2014-01-01	58.0335
2015-01-01	59.2199
2016-01-01	54.4863