Year % GDP 1960 12.936816805351208 1961 14.218346098174313 1962 12.977528319444753 1963 14.833521746485303 1964 16.465315900588337 1965 15.967724248971257 1966 17.206588868672217 1967 17.830923944028285 1968 19.00933598821683 1969 19.345860136590602 1970 20.980200893885122 1971 19.671520250310213 1972 20.465226150889595 1973 19.797457723231002 1974 15.371101793816266 1975 20.91926695611691 1976 21.684775643863752 1977 21.490237571392274 1979 25.7346218403114 1980 29.695084042678776 1981 26.160504012744028 1982 20.669151430938904 1983 19.81902473482272 1984 18.304822912905642 1985 19.259174456363894 1986 22.78181312517613 1987 21.545477593242072 1988 21.330458447763533 1989 22.70842969544281 1990 22.978664127357142 1991 22.42038051784067 1992 23.19095225792602 1993 20.852018065580385 1994 19.70570130703906 1995 16.6882373798165 1996 15.176984894129356 1997 16.60541303879621 1998 18.02192032880834 1999 18.043279668156593 2000 26.249781183633097 2001 30.07958278229693 2002 29.100880629243314 2003 32.43325476223267 2004 35.07109589666791 2005 38.348153226253615 2006 44.79480279731175 2007 47.0472761384629 2008 45.315069442863134 2009 49.21222940854685 2010 52.022949817302056 2011 49.24750789711027 2012 49.617323483095674 2013 44.59649913356566 2014 48.98447929763578 2015 56.371959355197674 2016 60.29749348564166