none 

Statements about this table:
the world rank 7th in the year 1977
in 1977 the world rank be 4th
year
result
world rank
location
date
1973
45.5
9th
bakersfield
jun 16
1974
45.76
11th
austin
aug 24
1975
45.9
30th
bakersfield
may 17
year
result
world rank
location
date
1976
44.82
4th
westwood
jun 12
1977
45.45
7th
zurich
aug 24
1978
45.15
6th
westwood
jun 10