Year % of GDP 1960 64.35470019024035 1961 63.358644862836286 1962 63.59691382546204 1963 65.23532004153734 1964 66.6579893814518 1965 71.8290000968057 1966 76.80045649143064 1967 72.397418218733 1968 59.62589641219257 1969 62.1519883726936 1970 56.97991569551203 1971 64.83124819927413 1972 68.57219425554224 1973 73.32361461266335 1974 84.59039425367209 1975 72.44745653193947 1976 73.40131450827653 1977 78.34316476688298 1978 76.19241811478685 1979 78.57162699514282 1980 84.6294439810662 1981 84.18463018735352 1982 78.12630827073822 1983 65.84882183702004 1984 59.55367565080013 1985 49.185812530891425 1986 45.18874324576114 1987 50.506523209038704 1988 52.30348179681048 1989 51.95477574111157 1990 58.22145621701379 1991 58.14106903404043 1992 61.25852853753647 1993 53.09023425341138 1994 48.79012306659028 1995 54.50627677806341 1996 55.76176431484152 1997 53.9057686305174 1998 46.89816463423497 1999 48.70976305943385 2000 56.89314193006426 2001 53.920003301878594 2002 55.24407121017353 2003 62.532050133513906 2004 67.00609512894691 2005 73.1201017086038 2006 74.58341746422754 2007 77.78139540179892 2008 82.45452838493811 2009 67.0863274702834 2010 67.7775691054571 2011 73.34607942050462 2012 73.32939243412055 2013 72.16508748521396 2014 67.34451462585554 2015 56.495128986849984 2016 48.61096096096096 2017 49.84009204730665 2018 50.96223598595012 2019 49.46141311917695 2020 42.47082004578145 2021 49.07911173749308 2022 54.219418239882536 2023 49.95246583185044