Year 2004-2006 = 100 1961 28.7131041039537 1962 29.7010664066211 1963 30.8567379863212 1964 31.8154566209045 1965 32.1875958338449 1966 32.1797261761259 1967 34.5529554086782 1968 35.3445010374134 1969 36.8695869795897 1970 37.9198040965424 1971 37.6546269080791 1972 37.2603275673639 1973 37.925972230055 1974 39.8078309690693 1975 40.948367188146 1976 41.2732390486495 1977 41.8094553632459 1978 43.0347078976777 1979 43.1970428154207 1980 44.936027690398 1981 46.5504718882097 1982 47.583682173554 1983 48.2850403219827 1984 48.5357585341683 1985 50.8956897363144 1986 52.912856455395 1987 52.8343892477116 1988 55.9784539989737 1989 57.7323153696179 1990 59.0252501614619 1991 62.7162362722308 1992 65.1176371486423 1993 67.0827886779744 1994 68.0169024937632 1995 70.9887789361115 1996 73.5674693958741 1997 74.5076751425977 1998 78.0421449930667 1999 81.7009301315613 2000 83.7958623948223 2001 85.2348581661935 2002 88.8497255659503 2003 92.3679119218262 2004 95.3947601364697 2005 100.846418653343 2006 105.438103070156 2007 106.532692306374 2008 111.792716504398 2009 113.335760736431 2010 119.347450366941 2011 121.555736797616 2012 124.005327939048 2013 127.229279258933 2014 131.037288921528