Year	Percent
1995-01-01	2.062020000000000
1996-01-01	1.995200000000000
1997-01-01	2.446860000000000
1998-01-01	2.821670000000000
1999-01-01	3.310510000000000
2000-01-01	4.229430000000001
2001-01-01	5.206430000000000
2002-01-01	5.823440000000000
2003-01-01	6.375300000000000
2004-01-01	7.578689999999999
2005-01-01	8.895780000000000
2006-01-01	11.034900000000000
2007-01-01	13.778900000000000
2008-01-01	16.213500000000000
2009-01-01	18.300300000000000
2010-01-01	19.891300000000000
2011-01-01	21.788300000000000
2012-01-01	22.958200000000000
2013-01-01	26.313500000000000
2014-01-01	29.416100000000000
2015-01-01	32.524400000000000
2016-01-01	36.587100000000000