expanded to 250 seats total prior to

9.643825 0.103693 2.9715% 1984 4.563512 0.219129 3.6576% 1983 0.423329 2.362228 3.8998% 1982 0.678417 1.474020 6.3831% 1981 1.898996 0.526594 9.6843% 1980 1.731329 0.577591 9.0330% 1979 3.330489 0.300256 8.8650% 1978 8.698535 0.114962 7.2813% 1977 2.177977 0.459142 6.6558% 1976 1.673734 0.597466 6.4073% 1975 7.059852 0.141646 9.8159% 1974 3.673478 0.272222 9.0909% 1973 1.972129 0.507066 6.4509% 1972 4.151936 0.240851 4.7304% 1971 2.940347 0.340096 5.7132% 1970 5.249882 0.190480 5.5272% 1969 4.682434 0.213564 5.5714% 1968 4.772194 0.209547 5.0148% 1967 0.135235 7.394554 2.5719% 1966 5.147032 0.194287 3.5485% 1965 4.567537 0.218936 2.7360% 1964 4.506982 0.221878 1.5423% 1963 2.174578 0.459859 1.5697% 1962 1.270918 0.786833 2.2421% 1961 1.050510 0.951918 0.9709% 1960 4.233003 0.236239 1.6442% 1959 3.576519 0.279601 2.3579% 1958 0.179123 5.582749 2.0623% 1957 4.279406 0.233677 3.5571% 1956 0.965651 1.035571 3.3098% 1955 0.584944 1.709565 3.4226% 1954 0.130372 7.670386 1.5421% 1953 1.823965 0.548256 1.5703% 1952 0.103897 9.624915 1.5948% 1951 0.893219 1.119546 5.0183% 1950 0.773470 1.292875 1.7034% 1949 0.671436 1.489346 -0.4250% 1948 0.867658

formalize