Year 2000 = 100 1980 46.57567785 1981 47.04628296 1982 49.37885066 1983 41.31788388 1984 48.37451666 1985 52.79422577 1986 42.32535654 1987 38.41417492 1988 45.31388716 1989 55.79186314 2000 100 2001 92.8113467 2002 92.22815846 2003 115.2309376 2004 114.4655693 2005 99.16669876 2006 82.45895869 2007 87.10894778 2008 93.27637522 2009 63.49660125 2010 75.83116098 2011 78.72080046 2012 90.2539725 2013 85.81329847 2014 107.9519947 2015 81.22955155 2016 84.95177916 2017 84.67813317 2018 86.38046068