Year % GDP 1960 11.721668100155732 1961 12.105615426094149 1962 12.800471729986137 1963 13.027173291330207 1964 13.286865370310665 1965 16.156606827111403 1966 17.381546918392537 1967 17.818371407900088 1968 18.5391346918208 1969 19.617650220565892 1970 20.296882808934992 1971 20.885010980787573 1972 21.701570767390756 1973 21.74452722463122 1974 19.11836506705661 1975 21.290036554253067 1976 22.497388343216763 1977 20.61501469243914 1978 21.81493867559226 1979 22.00515606604132 1980 20.81053617928423 1981 21.383915384357117 1982 22.216950614132188 1983 24.140507562195324 1984 23.934237453972447 1985 23.09793260794455 1986 25.002371499926916 1987 25.35474043379775 1988 25.54814609430531 1989 26.847482891837625 1990 25.06763041788006 1991 22.5169938392175 1992 25.653491684746392 1993 25.745382742354117 1994 27.99545306994448 1995 27.56403328481755 1996 27.361136645359284 1997 29.37173385382344 1998 27.27645958399411 1999 25.877243497782832 2000 25.51251243338331 2001 25.31732181127559 2002 25.43665136009722 2003 25.79713480708462 2004 27.206447560096876 2005 28.998432738304224 2006 30.81709229951125 2007 32.875129893681446 2008 33.12918470734699 2009 34.9098277669156 2010 35.42284616842416 2011 35.93745033111863 2012 36.753241961681155 2013 38.01566982324694 2014 39.60721784245777 2015 41.60849538114431 2016 42.325036434397376 2017 41.49418295078032 2018 41.14599276399127 2019 41.55004350122791 2020 44.82405326554135 2021 42.326055570371