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  1. en.wikipedia.org › wiki › 1970s1970s - Wikipedia

    Il y a 17 heures · In the US, the average annual inflation rate from 1900 to 1970 was approximately 2.5%. From 1970 to 1979, however, the average rate was 7.06%, and topped out at 13.29% in December 1979. [19] This period is also known for " stagflation ", a phenomenon in which inflation and unemployment steadily increased.