-le- 



va 



63 



IS 



^ S3 



o 

 o 



z 



o 



^9 . 



33 . 



20 



18 . 



J 967 



1969 



1971 



1973 



1975 



1977 



YEAR 



Figure 5. Fishing effort (number of hooks) on yellowfin tuna from 

 the western Atlantic longline fishery, 1967 to 1977. 



