The ratio of average monthly number of program participants in an area to that area's total resident population count; percentage of total resident population as of July 1 of that year
| Fecha | Valor | Cambiar , % |
|---|---|---|
| 2001 | 28,02 | -3,72 % |
| 2000 | ||
| 1999 | ||
| 1998 | ||
| 1997 | ||
| 1996 | ||
| 1994 | ||
| 1992 | ||
| 1989 | ||
| 1985 | ||
| 1981 | ||
| 1980 | ||