Table:
text: New Zealand national rugby union team
Coaches
Coaches
Name_ Years Tests Drew Lost Win_percentage
Alex McDonald 1949 4 0 4 0%
Tom Morrison 1950, 55–56 12 1 3 66.7%
Len Clode 1951 3 0 0 100%
Arthur Marslin 1953–1954 5 0 2 60%
Dick Everest 1957 2 0 0 100%
Jack Sullivan 1958–1960 11 1 4 54.5%
Neil McPhail 1961–1965 20 2 2 80%
Ron Bush 1962 2 0 0 100%
Sir Fred Allen 1966–1968 14 0 0 100%
Ivan Vodanovich 1969–1971 10 1 5 40%
Bob Duff 1972–1973 8 1 1 75%
John Stewart 1974–1976 11 1 4 54.5%
Jack Gleeson 1977–1978 13 0 3 76.9%
Eric Watson 1979–1980 9 0 4 55.5%

Question: In which year was the New Zealand national rugby union team's coach win rate 60%?