1953 1 . 1953 2 . 1953 3 0.500000 1953 4 0.520000 1954 1 0.560000 1954 2 0.540000 1954 3 0.560000 1954 4 0.550000 1955 1 0.490000 1955 2 0.430000 1955 3 0.460000 1955 4 0.460000 1956 1 0.520000 1956 2 0.470000 1956 3 0.500000 1956 4 0.500000 1957 1 0.480000 1957 2 0.420000 1957 3 0.480000 1957 4 0.520000 1958 1 0.590000 1958 2 0.560000 1958 3 0.590000 1958 4 0.620000 1959 1 0.630000 1959 2 0.510000 1959 3 0.590000 1959 4 0.610000 1960 1 0.650000 1960 2 0.600000 1960 3 0.680000 1960 4 0.790000 1961 1 0.910000 1961 2 0.840000 1961 3 0.940000 1961 4 1.12000 1962 1 1.11000 1962 2 1.00000 1962 3 1.04000 1962 4 1.09000 1963 1 1.23000 1963 2 1.15000 1963 3 . 1963 4 .