| Variable | Year | Supplement |
|---|---|---|
| OTH1D_Y2 | 2003 | Child immunization |
| OTH1D_Y2 | 2002 | Child immunization |
| OTH1D_Y2 | 2001 | Child immunization |
| OTH1D_Y2 | 2000 | Child immunization |
| OTH1D_Y2 | 1999 | Child immunization |
| OTH1D_Y2 | 1998 | Child immunization |
| OTH1D_Y2 | 1997 | Child immunization |