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*** DATA SET... MATURE FEMALE WORKERS AGED 45-64 *****
************************************************************;

DATA MFEMWORK;
INPUT YEAR 1-4 MATWOMEN 6-10;
CARDS;
1958 10.8
1959 11.2
1960 11.5
1961 11.7
1962 11.7
1963 11.9
1964 12.0
1965 12.1
1966 12.2
1967 12.2
1968 12.2
;
DATA MFEMWORK;SET;
LMATWOM=LAG(MATWOMEN);