Year 2000 = 100 1980 6.586086482 1981 7.001809583 1982 7.950496235 1983 9.747583454 1984 11.20784203 1985 14.58575935 1986 17.1173604 1987 23.10865741 1988 28.41049322 1989 34.28336537 1990 36.96760299 1991 38.17052954 1992 41.43825055 1993 49.00189231 1994 58.79471675 1995 75.78165567 1996 86.94808507 1997 96.58114118 1998 76.63276838 1999 84.57377291 2000 100 2001 112.1580897 2002 132.62632 2003 139.1490936 2004 153.9708357 2005 148.2304187 2006 152.084479 2007 156.3779614 2008 141.2957388 2009 119.2093213 2010 142.9195848 2011 135.0315356 2012 139.1010647 2013 140.7207057 2014 144.2234864 2015 189.4002315 2016 234.1334631 2017 252.1739071 2018 268.0431008