Year 2010 = 100 1969 8.31770698775192 1970 8.66074407630186 1971 9.4521796448849 1972 11.5296273316966 1973 12.8077232094203 1974 14.6646470535928 1975 16.5805657377192 1976 18.4761283748328 1977 19.7706221793167 1978 20.9782258201626 1979 22.6159451949814 1980 25.8936457279221 1981 28.7887279697501 1982 30.8130237559717 1983 32.8787855639239 1984 34.6184736558745 1985 36.1489468201931 1986 36.7992094332355 1987 38.8834337684619 1988 43.4554750124995 1989 46.1450882081028 1990 49.9250037293591 1991 53.1688037424213 1992 55.7650485068223 1993 58.6685055287275 1994 59.1476316572123 1995 60.4285606945894 1996 62.271729576617 1997 64.3691286492691 1998 68.0456883290689 1999 69.3852858719753 2000 70.1430874017209 2001 73.1400702258138 2002 73.6974210283365 2003 76.7726285264673 2004 78.9433632310302 2005 80.8109773236947 2006 82.8238465522673 2007 86.8024609806497 2008 93.5142690772612 2009 96.4422341239479 2010 100 2011 107.278117827085 2012 110.9506503443 2013 114.18324407039 2014 114.776205049732 2015 116.354246365723 2016 120.849273144606 2017 124.894797245601 2018 129.992348890589 2019 132.297245600612 2020 128.863810252487 2021 129.064651874522 2022 134.898622800306