| Value |
Category |
| 1 |
Papel |
| 2 |
Fax |
| 3 |
CD o similar |
| 4 |
Correo electrónico |
| 5 |
En línea |
| 61 |
telefono |
| Sysmiss |
|
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.