Annual % of GDP
1960 11.254632143228486
1961 8.141372340198826
1962 8.378675060090956
1963 13.087720064215297
1964 19.81903736244518
1965 22.65586339731652
1966 24.79143823630496
1967 26.826925682800802
1968 30.232934322839437
1969 34.17728239608229
1970 37.494092109557855
1971 36.753315076711
1972 36.45951457952232
1973 37.06838641871231
1974 35.96108915811723
1975 33.235116673353296
1976 32.90295645575231
1977 33.29079059767182
1978 33.57904482373836
1979 33.26323044477593
1980 32.82128599883253
1981 32.41802607539905
1982 31.296527949146824
1983 31.44068590342453
1984 32.476874584850094
1985 32.952228093129925
1986 33.82491657234944
1987 34.55890211002956
1988 35.37192327092883
1989 34.930069748137655
1990 34.76263003332733
1991 35.12695398822295
1992 34.40083982336526
1993 33.690998587406554
1994 32.942698910659736
1995 32.74995258137871
1996 32.81994419791342
1997 32.80428895430968
1998 32.33200858610271
1999 30.745806111737405
2000 30.94109769460729
2001 30.124429018132105
2002 29.818139169106857
2003 30.62083322098152
2004 31.77630404882822
2005 32.39733869119357
2006 33.59672100292227
2007 35.06525624827235
2008 35.45209324815898
2009 34.70821841725928
2010 36.218053670689635
2011 36.09245531838732
2012 35.89216591598322
2013 36.71837799784751
2014 37.173816777822545
2015 37.427565166216006
2016 36.87516111501763
2017 37.519909412551485
2018 37.583429000524724
2019 36.915721184776
2020 37.27737918774023
2021 39.10777534546193
2022 39.52245774801078