Year 2010 = 100 1960 2.29699231603501 1961 2.33196994334737 1962 2.40154082842978 1963 2.49186766816191 1964 2.51339236188285 1965 2.55817141222292 1966 2.66291210936963 1967 2.71979879991836 1968 2.94369405161103 1969 3.01537896910704 1970 3.09148413620536 1971 3.20064508294859 1972 3.4983392845586 1973 4.01646941207638 1974 4.90109588721347 1975 5.73325592138486 1976 6.34628226731884 1977 7.09164445942117 1978 7.81900508419188 1979 8.97013233384732 1980 10.5372417468512 1981 12.0474272848768 1982 13.4491168902226 1983 15.4900203782242 1984 17.555580580603 1985 18.8937677111802 1986 20.3473930951547 1987 22.5351161093088 1988 24.2835013050377 1989 27.0596231831278 1990 30.0536151039502 1991 31.1905740612245 1992 33.199201552409 1993 36.7964133644517 1994 40.0399046120093 1995 42.1148547090348 1996 43.5486862829306 1997 45.1277959458116 1998 47.6606878450725 1999 49.299803675143 2000 51.0526154009408 2001 53.8792216974977 2002 56.1152409801372 2003 58.2538524329493 2004 60.4217983227957 2005 64.575515751922 2006 69.9544001815997 2007 75.4768721981505 2008 84.5569999774286 2009 90.457461213963 2010 100 2011 105.107132892646 2012 114.840349139162 2013 120.811837601268 2014 127.679287620338 2015 133.630694979302 2016 137.734049199352 2017 140.323978776513 2018 141.753275747519 2019 143.17157812644 2020 144.029156309043 2021 146.995044259351 2022 155.562483405851 2023 162.763941221304