Year 2000 = 100 1981 94.59459459 1982 86.95652174 1983 91.42857143 1984 90 1985 102.8985507 1986 100 1987 89.02439024 1988 80 1989 75.28089888 1990 68.75 1991 82.75862069 1992 104.3010753 1993 106.8181818 1994 110.3448276 1995 100 1996 102.0833333 1997 103.125 1998 103.0927835 1999 106.3157895 2000 100 2001 97.04491295 2002 98.01556023 2003 98.45660185 2004 106.4806529 2005 115.1590299 2006 123.3352403 2007 134.6821263 2008 155.557967 2009 142.5379447 2010 154.1546288 2011 180.4503124 2012 184.8061569 2013 180.2139127 2014 176.609953 2015 162.1443795 2016 156.3729839 2017 164.4873368 2018 162.1336468