Year % GDP 1960 8.148438294704142 1961 9.023531950670526 1962 9.53758312710392 1963 10.043793932197401 1964 10.075854578803604 1965 10.788566549235725 1966 11.508761046692637 1967 11.675654626544947 1968 12.219320767822966 1969 12.381160708655985 1970 12.494022921975738 1971 13.572323633652212 1972 13.971703856538058 1973 13.66923670134048 1974 12.93011183185677 1975 14.34376598839245 1976 16.395663180611454 1977 17.5746999762142 1978 18.877560152554718 1979 19.41909518809165 1980 19.2524187019892 1981 16.963246223182495 1982 18.46066765147227 1983 20.073677129165905 1984 20.43012608063965 1985 20.779748695195096 1986 22.566960629260322 1987 22.66674048393698 1988 22.686463184397702 1989 23.475315427114456 1990 22.168937117134394 1991 20.668413633868912 1992 21.82922118771027 1993 21.68832083495217 1994 22.166496518739862 1995 22.792827371339897 1996 23.288625897916845 1997 24.823025454632972 1998 24.724501539771264 1999 28.966861145437203 2000 29.405142894941026 2001 29.434548876401287 2002 30.30807534392338 2003 29.539084686924497 2004 31.504732753133627 2005 32.83976719535799 2006 34.12702353630323 2007 36.93466728305428 2008 38.45847138298646 2009 39.485262592324304 2010 40.12426001386586 2011 39.881893534044345 2012 39.32273191809243 2013 38.97959553728947 2014 39.726685789548334 2015 41.47723507487062 2016 42.54500627393363 2017 43.40208306152076 2018 43.401573207539585 2019 43.969998228475916 2020 47.51441071727898 2021 46.23103216895275