1956 7 24 1960 9 50 60 70 140 1958 67 91.93 1982 142

1958 37 1979 84 3 1990 96 3O 85 1986 85 1955 35 38 1947 1993 8 8 1 1947 4 10 2 1949 4 10 3 1950 9 1951 4 4 1956 1 5 5 1960 1962 6 1964 1967 7 1973 1979 8 1986 1993

1944 10 9 90 90 50 80 20

1991 276

4 16 5

1925 12 17 1935 11 7 10 1945 2 23

1948 6

1 = 0.57

1955 1962

1980

36

1962 62.5

OPEC

4 505

EURECA European Research Coordination Agency Eureka

I0

CRACK

Ujamma

1976 3

1993 5 15 54.4

3 1993 344