Year 2000 = 100 1980 24.05938509 1981 26.93607643 1982 28.3467796 1983 29.97456928 1984 35.85803733 1985 35.57843765 1986 41.07095269 1987 55.05428688 1988 59.10154846 1989 64.52374263 1990 66.78991899 1991 66.32211842 1992 70.13649 1993 70.55522354 1994 73.51715964 1995 78.653013 1996 78.61362741 1997 84.60023631 1998 84.32453722 1999 86.64828673 2000 100 2001 90.58684521 2002 92.79243797 2003 101.6541946 2004 110.7522647 2005 97.51870815 2006 100.7199685 2007 100.1445451 2008 78.66916109 2009 37.84962584 2010 34.25734541 2011 34.24363923 2012 40.22489169 2013 44.83229618 2014 48.89066609 2015 52.7382434 2016 49.49204411 2017 55.36916109 2018 59.48723907