Year German French Italian Romansh Other 2015 63.0 22.7 8.4 0.6 5.3 2000 63.7 20.4 6.5 0.5 9.0 1990 63.6 19.2 7.6 0.6 8.9 1980 65.0 18.4 9.8 0.8 6.0 1970 64.9 18.1 11.9 0.8 4.3 1960 69.4 18.9 9.5 0.9 1.4 1950 72.1 20.3 5.9 1.0 0.7