1972 6.940664 0.144078 4.7304% 1971 6.529425 0.153153 5.7132% 1970 0.369072 2.709500 5.5272% 1969 1.275652 0.783913 5.5714% 1968 1.943256 0.514600 5.0148% 1967 4.917908 0.203338 2.5719% 1966 2.287551 0.437149 3.5485% 1965 0.132419 7.551805 2.7360% 1964 0.521397 1.917924 1.5423% 1963 0.267109 3.743791 1.5697% 1962 2.398484 0.416930 2.2421% 1961 0.312001 3.205121 0.9709% 1960 0.125899 7.942864 1.6442% 1959 2.082265 0.480246 2.3579% 1958 4.183035 0.239061 2.0623% 1957 2.238461 0.446735 3.5571% 1956 3.957728 0.252670
nationally