Year 2000 = 100 1985 37.75510204 1986 43.91891892 1987 39.69072165 1988 40.74074074 1989 48.32214765 1990 37.66233766 1991 34.04255319 1992 37.7593361 1993 31.60377358 1994 36.97478992 1995 36.76470588 1996 37.34939759 1997 36.89839572 1998 37.14285714 1999 79 2000 100 2001 90.07964413 2002 91.55892135 2003 101.1453696 2004 119.4615036 2005 154.1863896 2006 175.8366039 2007 177.8205085 2008 226.37167 2009 199.8830834 2010 208.1941943 2011 229.8461964 2012 238.7422176 2013 239.0134115 2014 223.5618463 2015 144.712047 2016 119.72054 2017 145.309544 2018 177.696286