Year % of GDP 1960 21.659604880456733 1961 22.46711454638467 1962 21.211286928902346 1963 22.593983704637548 1964 20.90300318223846 1965 20.875900847390515 1966 23.76078020472314 1967 23.807006946541833 1968 23.843722746325124 1969 26.636293634496923 1970 29.72561903023666 1971 34.21230749789343 1972 34.72976219072784 1973 32.087981908118785 1974 25.58256077426386 1975 26.193844904929247 1976 30.59354682548975 1977 31.32699660152931 1978 34.40160822488976 1979 34.54435201202586 1980 28.717760256581588 1981 32.728085334604614 1982 37.85074474074832 1983 42.57929479954919 1984 44.80904549605199 1985 46.725693099441095 1986 47.583429895712634 1987 49.19812413154238 1988 49.45964709285507 1989 49.494911010722255 1990 44.85630716374948 1991 43.912299522133466 1992 39.89038891604414 1993 42.53668922515398 1994 42.301538293582425 1995 40.66681179035306 1996 45.913655349181475 1997 49.28546696886317 1998 53.1744253251018 1999 49.191403843867086 2000 45.87028023172742 2001 48.75635925297052 2002 48.33703558713803 2003 38.38037138922846 2004 38.92165108894057 2005 40.9700541397144 2006 42.595343768588634 2007 40.24944587657034 2008 36.61622273986349 2009 62.052020832214716 2010 53.81470391133873 2011 47.005790972750994 2012 52.68013376806297 2013 51.6606634916595 2014 53.8157752023517 2015 60.10084213981245 2016 67.30507213717773 2017 65.09749315380145 2018 64.52671937622002 2019 68.76985173247438 2020 84.2184240773214 2021 72.65649831796502 2022 60.366887959488615 2023 65.40079580506128