Calgary's economy includes activity in the energy, financial services, film and television, transportation and logistics, technology, manufacturing, aerospace, health and wellness, retail, and tourism sectors.[14] The Calgary CMA is home to Canada's second-highest number of corporate head offices among the country's 800 largest corporations.[15] In 2015 Calgary had the highest number of millionaires per capita of any major Canadian city.[16] In 1988 it became the first Canadian city to host the Winter Olympic Games.