IPUMS USA: descr: QDIFHEAR

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QDIFHEAR

Data quality flag for DIFFHEAR

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Description

Data quality flag for DIFFHEAR.

Availability

United States

Puerto Rico

2023: All samples
2022: All samples
2021: All samples
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2019: All samples
2018: All samples
2017: All samples
2016: All samples
2015: All samples
2014: All samples
2013: All samples
2012: All samples
2011: PRCS; PRCS 3yr
2010: PRCS; PRCS 3yr
2009: PRCS
2008: PRCS
2007: --
2006: --
2005: --
2000: --
1990: --
1980: --
1970: --
1930: --
1920: --
1910: --