Year % of GDP 1961 29.44348762109795 1962 28.273565573770494 1963 33.90953307392996 1964 37.3839928057554 1965 32.64554794520548 1966 33.94486215538847 1967 32.76681957186544 1968 32.327160493827165 1969 34.667922159447585 1970 34.02554744525547 1971 36.646059462010385 1972 36.34404898584003 1973 31.832979062081268 1974 33.19866666666667 1975 33.79017891355283 1976 30.959437510555336 1977 34.69430451187904 1978 35.007120478496155 1979 34.83055620746304 1980 33.87607666198265 1981 33.228125 1982 34.01203520747261 1983 37.58605869496947 1984 37.434407590370895 1985 36.94902765116986 1986 39.056030649244036 1987 40.61595686595687 1988 45.139896699420504 1989 44.41288985389439 1990 49.46030303030303 1991 54.93447600391773 1992 55.80223167766586 1993 54.178909811694744 1994 52.42561071415211 1995 52.84665632105092 1996 49.44242099625067 1997 44.67106309650053 1998 40.82106865580758 1999 39.94840198211898 2000 41.99308568709235 2001 44.46571681765018 2002 50.51432739424324 2003 53.99883206640374 2004 54.92815368072276 2005 58.905385277579356 2006 68.15858776048219 2007 72.25577715428024 2008 65.4790014641185 2009 70.12635717774714 2010 67.64108235865349 2011 66.85662913109697 2012 67.6528843396108 2013 74.17275419855727 2014 68.91972971478076 2015 73.28703082572346 2016 73.42745529674526 2017 74.06763959214246 2018 72.07519211392167 2019 73.6611064903087 2020 91.01574977423677 2021 109.36307874923759 2022 93.4426505120432 2023 90.10956184314452