Year Percent 1986-01-01 50.000000000000000 1987-01-01 133.333263744315000 1988-01-01 185.714285714285000 1989-01-01 1400.000000000000000 1990-01-01 500.000000000000000 1991-01-01 122.222222222222000 1992-01-01 625.000000000001000 1993-01-01 1500.000000000000000 1994-01-01 107.327586206896000 1995-01-01 3.950103950104040 1996-01-01 4.299999999999930 1997-01-01 4.170661553211890 1998-01-01 6.396686608375540 1999-01-01 4.019138755980840 2000-01-01 4.611315547378020 2001-01-01 3.776702466658890 2002-01-01 1.671784373933820 2003-01-01 1.767337807606280 2004-01-01 2.055396790503290 2005-01-01 3.317178244480450 2006-01-01 3.189825914729490 2007-01-01 2.899282755833870 2008-01-01 6.076968387983510 2009-01-01 2.378528459046700 2010-01-01 1.030555053335730 2011-01-01 2.250000000000000 2012-01-01 3.422982885085560 2013-01-01 2.206461780929880 2014-01-01 -0.208172706245189 2015-01-01 -0.503907720239248 2016-01-01 -1.125000000000000 2017-01-01 1.129372102823420