The average rainfall is around 950 mm / year (1950- 2017). This climate has already evolved, with a trend in the late 30s of approximately an increase of +0.13Â°C / year in average temperatures (the most pronounced change in spring), and a reduction of at least -43 mm / year in annual precipitation (with the most pronounced decreases in autumn and winter) (1950-2017). These climatic variations will have consequences on the different ecosystems, but also on their inhabitants and the economic activities that develop. The Andorran economy is mainly focused on tertiary activities. Services are the most important sector of the economy of the Principality: 86.1% of companies and 87.7% of employees.