Provence-Alpes-Côte d'Azur engineering and business schools. All these institutions of higher learning help contribute to the human capital needed by the region to meet current technological challenges. The region has a total GDP (2012) of €142.4 billion (US $183.1 bn), the third highest in France. It has a per capita GDP of €28,861 (US $37,121), slightly higher than the French average. According to a recent survey, a person living in Provence-Alpes-Côte d'Azur has an average annual income of about €37,489 (US $45,755). The region is one of the most visited of France, and has therefore many well-known museums, mostly in Marseille: the
Alpes-de-Haute-Provence of 39.4% for the Provence-Alpes-Côte d'Azur region. The National Office of Forests (ONF) manages 86,000 hectares. The main species exploited are Scots pine, black pine, larch, pubescent oak (or white oak), and beech. Fir and spruce are less common. The 2003 heat wave caused the decline of many species of trees, consequently accelerating the return of Mediterranean oaks, alders and linden. Industry is relatively small in terms of business establishments but has several relatively large companies. At the end of 2004 the department had 937 establishments with 17 exceeding fifty employees. This is particularly the case of the historic plant