| Variable | Year | Supplement |
|---|---|---|
| DTPEV | 2003 | Child immunization |
| DTPEV | 2002 | Child immunization |
| DTPEV | 2001 | Child immunization |
| DTPEV | 2000 | Child immunization |
| DTPEV | 1999 | Child immunization |
| DTPEV | 1998 | Child immunization |
| DTPEV | 1997 | Child immunization |
| ERDPTS | 1996 | Immunization |
| ERDPTS | 1995 | Immunization |
| ERDTPS | 1994 | Immunization |
| ERDTPS | 1993 | Immunization |
| ERDTPS | 1992 | Immunization |
| ERDTPS | 1991 | Child health |