Year base year varies by country 1970 39.36641094695199 1971 44.03415825713878 1972 47.09834286086742 1973 48.62976618203841 1974 54.39671234451077 1975 56.75165820483855 1976 57.04857944049766 1977 54.65600516034278 1978 59.750608939657766 1979 61.50011514610287 1980 64.81824843033101 1981 63.173843358469064 1982 61.76661469676068 1983 62.752782867945854 1984 64.37455937218394 1985 62.985655611602645 1986 60.520358603257726 1987 60.889826548950566 1988 61.64073231427529 1989 62.02589070119908 1990 65.28924311675527 1991 60.465776042174745 1992 62.73065552098823 1993 74.63410593744302 1994 94.24946533574278 1995 104.15382801369375 1996 101.37123665097725 1997 100.00010235427281 1998 101.29920886155584 1999 105.13753309559732 2000 106.96814970095505 2001 107.45478965147672 2002 112.32590412814125 2003 115.66592673017877 2004 116.36683744646632 2005 116.80912522982219 2006 128.91704674889152 2007 133.5448792593082 2008 133.08477365894868 2009 133.92876404979182 2010 135.53865278860536 2011 141.39902850935624 2012 145.51947793561737 2013 149.38713862478943 2014 154.56097654453473 2015 159.87640389650662 2016 166.79641301451636 2017 173.65773508374753 2018 175.45035063073195 2019 181.66961464351144 2020 211.74676812983498 2021 1062.103136724731 2022 1212.448104982496