NHIS Sources

Variable Year Supplement
INCGRP 1996 Imputed income
INCGRP 1995 Imputed income
INCGRP 1994 Imputed income
INCGRP 1993 Imputed income
INCGRP 1992 Imputed income
INCGRP 1991 Imputed income
INCGRP 1990 Imputed income