Year % of GDP 1960 21.724429640853376 1961 22.53597230929835 1962 23.776479384338753 1963 24.67268327147616 1964 25.386875595214825 1965 28.29939769129584 1966 28.67889785698801 1967 30.639106278266002 1968 31.69723533394866 1969 32.483905002265175 1970 32.6610475035038 1971 32.60934346896259 1972 35.55425583440956 1973 35.46256813625335 1974 30.300561309492867 1975 34.7066541060182 1976 35.24979464445276 1977 39.023939890925604 1978 46.281201631779666 1979 48.98886112550277 1980 51.67580582234164 1981 54.69259011636859 1982 55.938958908125066 1983 55.866709409248564 1986 65.22313952244804 1987 66.75989082314491 1988 70.00084288521789 1989 67.43382420556854 1991 61.86301790891013 1992 62.91579318967762 1993 59.47801101943971 1994 59.2047907750099 1995 56.40070263459888 1996 53.78222528683025 1997 55.81658134711317 1998 59.103114764020894 1999 58.76748952361294 2000 59.94295880029421 2001 64.92527357662895 2002 66.87137798858227 2003 67.4503435003161 2004 62.30618619002603 2005 61.02614994167874 2006 62.669996912903166 2007 63.9673441472911 2008 61.27125965363634 2009 70.3478717660717 2010 68.20754829256872 2011 64.15993167290986 2012 64.23380537156518 2013 66.57728374036762 2014 73.14225648690301 2015 82.58588852047009 2016 90.45094420366438 2018 74.3252983282684 2019 73.37959118700739 2020 87.7449557649296 2021 81.83634346889792