Year 2000 = 100 1980 99 1981 76 1982 93 1983 110 1984 111 1985 81 1986 105 1987 62 1988 78 1989 69 1990 70 1991 73 1992 65 1993 71 1994 85 1995 109 1996 96 1997 128 1998 96 1999 83 2000 100 2001 87.6155577 2002 87.69581144 2003 96.36526323 2004 121.5635721 2005 159.4098876 2006 184.0481326 2007 209.37016 2008 289.3270491 2009 244.9659457 2010 298.6696433 2011 321.9026362 2012 289.7658648 2013 284.0529523 2014 280.5034918 2015 256.6308703 2016 265.2379188 2017 294.1758953 2018 299.8848059