Year 2000 = 100 1993 184.5035612 1994 306.1075339 1995 359.9902808 1996 440.5091491 1997 253.8219095 1998 146.983445 1999 92.68296873 2000 100 2001 50.43129989 2002 152.3172244 2003 19.33140533 2004 31.10833045 2005 30.21483886 2006 30.53266282 2007 28.72667241 2008 22.34321131 2009 22.20672401 2010 23.66044318 2011 629.5019008 2012 695.6831689 2013 501.8805581 2014 1037.473755 2015 964.3815722 2016 842.4102442 2017 811.1648257 2018 947.5145338