Year 2004-2006 = 100 1961 31.731258696168 1962 34.3866265643535 1963 34.3283934236656 1964 35.8603549650631 1965 35.9313824305426 1966 35.0316028626656 1967 38.1090552758638 1968 38.8389237718554 1969 40.3658271064725 1970 40.1422994596255 1971 41.8182681995983 1972 43.8669082831073 1973 43.1484640061786 1974 46.7820133309662 1975 48.0335629436867 1976 49.2878120069917 1977 48.6095386028407 1978 50.7324442779062 1979 49.7168174915705 1980 54.2583532229994 1981 56.69617427303 1982 57.1314146215543 1983 57.0848926111008 1984 57.2144604993833 1985 62.2635845431785 1986 63.0624028317629 1987 60.8752865698894 1988 65.6576034830302 1989 61.9812843581895 1990 64.3713511210985 1991 65.7785237557615 1992 69.0243401468128 1993 70.778341124488 1994 74.4955966666408 1995 74.7675877522232 1996 79.9666965571336 1997 78.9120830429539 1998 83.1555721544977 1999 83.2004146056261 2000 85.4413735859451 2001 88.7533072173072 2002 91.5762435079236 2003 94.0636240144241 2004 96.2020268209342 2005 100.781982725606 2006 106.5056506785 2007 106.344373690579 2008 107.617287091844 2009 111.877396135595 2010 115.694861457363 2011 116.746788299348 2012 116.597227082459 2013 119.334880494353 2014 120.452115939284