The construction and public works sector is quite important. The economy is very sensitive to changes in the national and international situation. The rate of unemployment is 9.1%. According to the INSEE, in 2005 the GDP per capita of the Alpes-Maritimes was 27,723 euros which ranked it as the thirteenth highest department in France. GDP was 29.6 billion euros. According to Eurostat, "GDP per capita at market prices in 2008", the department had a GDP per capita of 30,700 euros, which is also ranked it thirteenth in France. Tourism is an essential industry for the entire coastal region (Côte d'Azur) and is highly developed. On the coast, thanks to the mild climate, towns are resort destinations all year round. In the mountains, there are winter sports stations that have received abundant snow in recent years, particularly Isola 2000. There are also well-developed industries such as the perfume industry in Grasse, new technologies from Sophia-Antipolis, and the aerospace industry in Cannes-Mandelieu, where there is the first European satellite builders and the first industrial plant dedicated to spacecraft manufacturing. The presence of the Mediterranean Sea and the French Alps under a mild sky has favoured one dominant activity: tourism, which accounts for 64,000 jobs directly in the Alpes-Maritimes. For only the city of Nice the tourism turnover represents a 12 to 13% share of the whole tourism market in France. The capital of the Côte d'Azur is the fifth most populous city in France. The city of Nice also has the second largest airport in France (Nice Côte d'Azur Airport), after Paris and its three airports at Roissy, Orly and Le Bourget. There are nearly 13.5 million passengers per year passing through Nice Airport. The seaside where the majority of the population resides is one of the most popular parts of the world with many attractions:  The area inland from the busy French Riviera is an excellent base for many outdoor sports: cycling, mountain biking, skiing, walking, rock climbing, canyoning, canoeing, rafting, fishing, horse riding, Adventure parks, caving and the area has the first ever underground "via ferrata". The area has internationally renowned paragliding and hang gliding flying sites at Col-de-Bleyne, Gourdon, Gréolières and Lachens. In the mountains, skiing and hiking bring life to Saint-Étienne-de-Tinée (Auron), Beuil, Péone (Valberg), Saint-Martin-Vésubie, Isola, Gréolières, Peïra-Cava, Col de Turini, and Turini-Camp d'argent in the Authion mountains.