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Starting in Wave 1 of the 2014 SIPP, the variables TFCYINCPOV, TFCYINPOVT2, THCYINCPOV, and THCYINCPOVT2 were added to the file. The user should note that these annual measures include people who were not in the survey universe for the entire reference year. This affects approximately 0.5 percent of individuals.
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