Year 2010 = 100 1960 0.410927393229438 1961 0.486897163406309 1962 0.493803506149661 1963 0.504163020264689 1964 0.511069363008041 1965 0.530793053519717 1966 0.546043768862117 1967 0.553498727477723 1968 0.557417905720753 1969 0.569942236199254 1970 0.565043263391741 1971 0.59303130802941 1972 0.647473805814014 1973 0.730330345870258 1974 0.914616922880956 1975 0.975832783064769 1976 1.01949754067838 1977 1.11492101097452 1978 1.23377435120987 1979 1.58121802252113 1980 1.93615925220982 1981 2.18737005771796 1982 2.29936483602535 1983 2.60825588760232 1984 3.13803080531717 1985 3.9291508533163 1986 5.17636538470917 1987 6.30534486017221 1988 7.72999069387255 1989 9.77241863072684 1990 13.413617530254 1991 16.6631136080057 1992 19.1946977616029 1993 22.6897952870916 1994 27.3562227940955 1995 31.0289090587171 1996 34.0696439058923 1997 36.4373363241727 1998 40.6470396004809 1999 43.3916357789424 2000 47.2891418303388 2001 50.7261451672281 2002 56.0575858250277 2003 64.0383905500184 2004 66.8069398301956 2005 71.3547434477668 2006 78.1971991185043 2007 84.5550021999605 2008 93.141380583241 2009 95.5555555555556 2010 100 2011 108.253968253968 2012 112.233296419343 2013 115.245478036176 2014 121.040974529347 2015 124.828349944629 2016 129.929863418236 2017 134.610557401255 2018 139.962148394242 2019 143.821040974529 2020 146.363100775194 2021 153.370941306755 2022 168.348482834994 2023 176.14642303433