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Time period: 1992/1997
Collection date: 1992/1997
Dataset ID: DS0004
Versions: 2009-02-18: New files were added. These files included one or more of the following: Stata setup, SAS transport (CPORT), SPSS system, Stata system, SAS supplemental syntax, and Stata supplemental syntax files, and tab-delimited ASCII data file.

Dataset Documentation