Variable | Year | Supplement |
---|---|---|
FM_REF | 2003 | Person (core questionnaire) |
FM_REF | 2002 | Person (core questionnaire) |
FM_REF | 2001 | Person (core questionnaire) |
FM_REF | 2000 | Person (core questionnaire) |
FM_REF | 1999 | Person (core questionnaire) |
FM_REF | 1998 | Person (core questionnaire) |