Year	Percent
1990-01-01	120.1939681081980
1991-01-01	113.2594908429230
1992-01-01	124.8606961660440
1993-01-01	131.0448671893690
1994-01-01	125.5795574792450
1995-01-01	112.3038052339240
1996-01-01	116.4689534030820
1997-01-01	128.8579324318370
1998-01-01	179.4611154871610
1999-01-01	202.0632840761760
2000-01-01	190.4007605644780
2001-01-01	184.8780858092840
2002-01-01	184.2061749791480
2003-01-01	188.0304566437430
2004-01-01	154.0025740679320
2005-01-01	148.9973327576310
2006-01-01	165.9179009735800
2007-01-01	154.4287875331440
2008-01-01	106.6521004845000
2009-01-01	120.3378429860750
2010-01-01	116.6198596578060
2011-01-01	115.5641326415180
2012-01-01	99.3830127896038
2013-01-01	98.0439743087845
2014-01-01	98.9085599864447
2015-01-01	105.5216134041200
2016-01-01	107.0311572902610
2017-01-01	108.0778353136150