Annual % of GDP
1960 0.6402561024409764
1961 2.883659264169705
1962 3.3342443290516535
1963 8.871745419479266
1964 9.017169122617277
1965 7.601635795044503
1966 11.724978895037989
1967 10.96985383678441
1968 14.413137220154765
1969 17.87409047769693
1970 16.37345347922477
1971 14.41826643397324
1972 16.779529957588394
1973 22.392488194959565
1974 21.531941808981657
1975 19.809173337380024
1976 24.829335028467195
1977 28.255974548718033
1978 30.390188634240396
1979 30.175327060116103
1980 25.37161643394227
1981 25.15069519104164
1982 26.63432635206139
1983 30.42636541368183
1984 32.89422620569961
1985 33.437535813692776
1986 36.48842850179345
1987 39.25338009397048
1988 41.20492045259177
1989 38.64210159358946
1990 38.79735455697705
1991 38.915569089714616
1992 38.0116725180586
1993 38.13620922307256
1994 37.97294126553652
1995 37.99831940772852
1996 36.360450800844
1997 36.39043265169968
1998 38.28241675171947
1999 36.31128762555943
2000 34.599892209496616
2001 32.844696475198134
2002 32.162586574709394
2003 33.7811587539484
2004 36.018635039086824
2005 34.82043616372611
2006 33.598637233536344
2007 34.08118420770071
2008 33.41745677695649
2009 33.668915616630784
2010 35.35999090284431
2011 34.42856883666159
2012 34.04642863045178
2013 34.51736455113078
2014 34.83887846721626
2015 36.375915519495415
2016 36.804176703357506
2017 37.03555410143127
2018 35.924900349943414
2019 34.2895168355843
2020 35.56972127237732
2021 35.882200664984616
2022 33.15201002287982
2023 32.17388726365624