Year 2000 = 100 1980 43.08392344 1981 35.605311 1982 26.89220096 1983 27.69330144 1984 37.70129187 1985 33.73990431 1986 39.51062201 1987 74.284689 1988 67.83923445 1989 45.27421053 1990 72.54736842 1991 50.69856459 1992 30.41904306 1993 33.22349282 1994 51.03588517 1995 132.2827751 1996 111.3440191 1997 111.2277512 1998 152.7028708 1999 122.0095694 2000 100 2001 106.6985646 2002 118.0583732 2003 153.3703349 2004 229.3239234 2005 223.923445 2006 281.3397129 2007 298.0861244 2008 331.6550239 2009 430.8578947 2010 761.2578273 2011 1147.840191 2012 1044.117145 2013 1127.076085 2014 1173.528791 2015 1041.316239 2016 1200.417715 2017 1375.544761 2018 1545.780281