Year 2000 = 100 1980 41.15442261 1981 44.2567189 1982 39.91628224 1983 36.26197636 1984 37.5995695 1985 32.17635825 1986 33.73503539 1987 35.46938909 1988 43.05791607 1989 51.21397755 1990 64.34758045 1991 60.57526194 1992 75.07108772 1993 71.8246316 1994 76.81699755 1995 92.25038754 1996 89.89503763 1997 92.77158079 1998 97.47014082 1999 98.92271165 2000 100 2001 111.2306931 2002 111.195441 2003 127.3497469 2004 149.6192313 2005 153.8132903 2006 175.1780812 2007 222.9443275 2008 287.6003516 2009 222.906986 2010 259.3168341 2011 279.5898273 2012 285.641984 2013 283.2536466 2014 289.4052444 2015 236.0362702 2016 227.1747645 2017 241.0877588 2018 265.0459796