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The above plot shows the total number of births by year, with each color representing
a different age of mother. There is a persistent spike that occurs for mothers
born in or close to 1946, presumably reflecting the increased number of individuals
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The above plot gives a sense of where institutions of higher learning are located in the U.S.
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Plots of the evolution of the most popular U.S. baby girl names from 1880 to 2012,
where the names shown are the top names in 1880. Data from SSA.
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