Year 2000 = 100 1980 220.9754949 1981 289.446775 1982 497.4064043 1983 56.19769598 1984 584.4642104 1985 260.4456984 1986 563.1672766 1987 491.0594255 1988 320.8910014 1989 298.0905263 1990 190.6280148 1991 244.2143484 1992 344.6802907 1993 394.1428887 1994 209.8621618 1995 93.15503438 1996 121.8369837 1997 84.29064809 1998 123.4212552 1999 98.61212817 2000 100 2001 56.65567027 2002 104.1397991 2003 27.29104688 2004 96.79391508 2005 38.37647855 2006 54.95425644 2007 56.09781474 2008 45.60920726 2009 244.5994374 2010 229.3866485 2011 286.882629 2012 365.5680884 2013 323.6457181 2014 311.9358722 2015 313.506821 2016 335.148727 2017 353.1356312 2018 498.210918