{"year":1967,"cpi_u_x1":36.4}
{"year":1968,"cpi_u_x1":37.7}
{"year":1969,"cpi_u_x1":39.4}
{"year":1970,"cpi_u_x1":41.3}
{"year":1971,"cpi_u_x1":43.1}
{"year":1972,"cpi_u_x1":44.4}
{"year":1973,"cpi_u_x1":47.2}
{"year":1974,"cpi_u_x1":51.9}
{"year":1975,"cpi_u_x1":56.2}
{"year":1976,"cpi_u_x1":59.4}
{"year":1977,"cpi_u_x1":63.2}
{"year":1978,"cpi_u_x1":67.5}
{"year":1979,"cpi_u_x1":74}
{"year":1980,"cpi_u_x1":82.3}
{"year":1981,"cpi_u_x1":90.1}
{"year":1982,"cpi_u_x1":95.6}