NHIS Sources

Variable	Year	Supplement
F_15D2	1996	Imputation flag
F_15D2	1995	Imputation flag
F_15D2	1994	Imputation flag
F_15D2	1993	Imputation flag
I_514	1992	Family resources
MATRI22A	1990	Family resources
MATRX22A	1991	Family resources