Year	% of GDP
1965	12.683578104138851
1966	15.807962529274006
1967	18.692660550458715
1968	16.50893796004206
1969	17.18907987866532
1970	12.32583065380493
1971	9.161963320448931
1972	8.69535519125683
1973	9.089208902188142
1974	5.814319586003661
1975	11.975910181361911
1976	14.66520821939214
1977	20.121935671958738
1978	18.617358065802126
1979	11.544197536308006
1980	12.564267857789229
1981	15.3568663472511
1982	23.11543303174132
1983	25.10142246654159
1984	21.152855695445076
1985	19.795688021904077
1986	21.660795256040394
1987	16.944393544240604
1988	13.681494035915854
1989	10.809334841329576
1990	18.02833886041604
1991	39.299637015133136
1992	19.874710033901827
1993	15.130768705841563
1994	13.306233603234427