Switzerland ranks high in several metrics of national performance, including government transparency, civil liberties, quality of life, economic competitiveness, and human development.Zurich and Geneva have each been ranked among the top cities with the highest quality of life in the world. Switzerland's most important economic sector is manufacturing. Manufacturing consists largely of the production of specialist chemicals, health and pharmaceutical goods, scientific and precision measuring instruments and musical instruments. The largest exported goods are chemicals (34% of exported goods), machines/electronics (20.9%), and precision instruments/watches (16.9%).