Year	Percent
1993-01-01	9.4675
1994-01-01	12.0812
1995-01-01	13.2089
1996-01-01	17.3237
1997-01-01	24.6299
1998-01-01	30.3667
1999-01-01	30.8802
2000-01-01	31.7375
2001-01-01	35.7248
2002-01-01	40.2274
2003-01-01	45.5469
2004-01-01	53.2387
2005-01-01	46.0191
2006-01-01	62.0016
2007-01-01	73.6447
2008-01-01	88.2364
2009-01-01	102.5380
2010-01-01	95.4932
2011-01-01	80.5201
2012-01-01	73.3071
2013-01-01	70.0221
2014-01-01	67.7793
2015-01-01	68.5626
2016-01-01	69.6266