Year % of GDP 1960 42.40184757505774 1961 48.92212480660134 1962 36.74826789838337 1963 37.43505154639175 1964 43.5 1965 41.27937336814621 1966 47.647058823529406 1967 49.718592964824126 1968 51.022476862053765 1969 66.08130684982365 1970 79.3056533827618 1971 135.68189745378444 1972 140.12523269588763 1973 192.8752422119541 1974 530.0442757748261 1975 873.029184837303 1976 952.6553496340133 1977 957.7840112201964 1978 745.7952907256126 1979 640.4631829739268 1980 940.2381487306224 1981 944.4794952681387 1982 689.5393778115694 1983 495.4986149584488 1984 367.00798588996133 1985 250.18314517960724 1986 242.30535894843274 1987 213.7804058135743 1988 157.70609318996415 1989 183.6708033964729 1990 42.640555906506634 1991 42.299335296159626 1992 39.56256030878096 1993 36.09314359637775 1994 37.52684872660325 1995 41.38232720909886 1996 42.975893599334995 1997 28.47279687194032 1998 30.966367247066533 1999 28.332077455761222 2000 31.65987120610861 2001 27.71155457613344 2002 25.08681298388949 2003 25.24213395805454 2004 26.260892804095725 2005 30.458917061466828 2006 34.729154884555804 2007 35.54227873660101 2008 37.02261067832035 2009 32.899350428172426 2010 34.49963152848324 2011 41.090517305582175 2012 41.74245604216221 2013 40.17968795090325 2014 40.82339326231764 2015 30.886145357653856 2016 28.76093008999498 2017 31.87950999861074 2018 31.975776407362194 2019 29.639987093007175 2020 25.506617661826436 2021 35.412396977719915 2022 33.251119028044215 2023 34.14583115388639