This survey is an attempt to exploit systematically information about past changes in the Swedish production structure gained from input-output investigations for the years 1957, 1968, 1975 and 1980. Imported and domestically produced intermediates measured in 1968 prices. The data files consists of coefficient matrices for the years 1957, 1968, 1975 and 1980 for 26 commodity groups and 72 commodity groups respectively.