sentences:  Over the last 10 years (2000–2010) the population has changed at a rate of 19.5%.Migration accounted for 14.2%, while births and deaths accounted for 6.3%.Most of the population () speaks French (520 or 93.9%) as their first language, German is the second most common (21 or 3.8%) and Portuguese is the third (5 or 0.9%).