1984:
soep-core-1984-hh/35 soep-core-1984-hh/36
1985:
soep-core-1985-hh/31 soep-core-1985-hh-n/31 soep-core-1985-hh-n/32
1986:
soep-core-1986-hh-n/43 soep-core-1986-hh/43
1987:
soep-core-1987-hh/43 soep-core-1987-hh-n/43
1988:
soep-core-1988-hh/34 soep-core-1988-hh-n/34
1989:
soep-core-1989-hh-n/34 soep-core-1989-hh/34
1990: