Switzerland 1970 |
Switzerland 1980 |
Switzerland 1990 |
Switzerland 2000 |
6. Mother tongue (language in which you think and that you know best):
[] French
[] Italian
[] Rhaeto-Romanic
[] Others i.e.:
6. Mother-tongue (language in which you think and that you know best)
[] French
[] Italian
[] Romansch
[] Others, i.e. ____