It was won by Northerns, who won all four of their matches to top the table with 75 points.
It was won by Mashonaland, who won four of their six matches to top the table with 92 points.
It was won by Mashonaland, who won all five of their matches to top the table with 86 points.
It was won by Easterns, who remained unbeaten in their five matches to top the table with 44 points.
Bremen won the game 3-1 and topped the table with 60 points.
During the 1990 outdoor season, the Rogues went 12-4 and topped the league with 98 points.
At that time, Persiraja successfully topped the final standings with 11 points and goal difference 31-10 (21).
Lohaus topped Iowa with 13 points, all but 2 in the second half.
The East Germans won all but one of eight women's events, topping the standings with 62 points.
In 1989-90, Oates topped the 100-point mark for the first time in his career with 102 points.