North Sea Cod as 1-group: Post 1976, 0 & 1 group data 5 11 2 1976 709 -11 -11 36.7 6818 -11 1977 426 1559 -11 12.9 2372 -11 1978 454 1679 -11 9.9 2265 -11 1979 800 1856 -11 16.8 5150 163.8 1980 271 1006 43.2 2.9 1232 46.9 1981 566 7963 176.8 9.2 3234 83 1982 265 254 26.9 3.9 1541 21.8 1983 552 9595 121.5 15.2 6122 121.3 1984 93 45 1.3 .9 419 3.6 1985 -11 798 143.6 17.2 3464 111.2 1986 -11 96 37 9.6 -11 -11 EGFSO DGFSO IYFS1 EGFS1 DGFS1