Year % GDP 1960 17.972726560259485 1961 17.022007978711613 1962 17.028528545357492 1963 14.705662382592088 1964 13.523514485756422 1965 13.086587633862075 1966 11.896988344928205 1967 14.209439131763352 1968 16.650893034401808 1969 26.723249647685492 1970 30.89205986504026 1971 37.55379742875881 1972 41.83728618880328 1973 41.81041020365918 1974 46.166059480889025 1975 52.59559388627905 1976 54.46879497674162 1977 54.3927809648232 1978 50.42510735047995 1979 51.012910632825104 1980 42.05373828160195 1981 44.691433818360046 1982 45.652572338875984 1983 50.47614083123234 1984 50.39323009292652 1985 44.245833386532 1988 105.39100764608978 1989 127.74705013615586 1990 42.082789592995 1991 45.159316349642545 1992 84.46590270133369 1993 134.11358913572397 1994 69.52319942263402 1995 43.49452481688978 1996 40.7784936784467 1997 40.85223717139447 1998 29.53226056551028 1999 29.82691020283472 2000 31.140985777616237 2001 29.004038021004302 2002 29.645141941814295 2003 27.685669944434547 2004 29.37277025541498 2005 31.839784156457736 2006 35.42516666777185 2007 40.69093794036067 2008 45.78225599369678 2009 47.49428984376462 2010 52.76465762772724 2011 58.07849110487475 2012 62.51929319662953 2013 64.23057382355884 2014 66.02851039405598 2015 66.82970064422904 2016 62.1940069702965 2017 59.48430929827746 2018 60.218347937317795 2019 62.790505074697144 2020 68.69615485247748 2021 68.80522467768097 2022 70.60609737829705 2023 71.64665561095926