Data main source: https://www.kaggle.com/datasets/heesoo37/120-years-of-olympic-history-athletes-and-results
Game costs: https://arxiv.org/ftp/arxiv/papers/1607/1607.04484.pdf?fbclid=IwAR0mrKkPVtFqPYbTkLbU-1YJMEdPtW8mcGDxMWMxgF4hWcl0ZwTlPs2JMgA https://en.wikipedia.org/wiki/Cost_of_the_Olympic_Games?fbclid=IwAR2O_8Bl3YqnVOnjIzueWU__ZArwm1InBWVwLB3Dgiq53jn-shHMkewg-7k https://www.workandmoney.com/s/most-profitable-olympic-games-a853cf99332c47c8?fbclid=IwAR3sOXLGw4PmV5idS97da7AHNWVuaC_dyqEt4Z4HibEU147vOWYAl1SQqyo
Number of athletes: https://www.statista.com/statistics/1090581/olympics-number-athletes-by-gender-since-1896/?fbclid=IwAR0ZHRNL4e2Y9DFBfxt9zYtXVNJfQdh0U8b7Exhgp5zQvLuWQV9NQXnAMX8 https://www.statista.com/statistics/266368/number-of-winter-olympic-games-participants-since-1924-by-gender/?fbclid=IwAR1BS6WFgEOF0zFSqvVq8_AbFTkct5iOGRClYzXl-pp2VY4YEsSSu7u4pb8
Number of events: https://www.statista.com/statistics/1090670/olympics-number-events-by-gender-since-1896/?fbclid=IwAR2K9U6XP6tTB3FUyAVMDTjwA9NgIZs4d6RQ4jg3gDtM7N7KfaD-Zadc4aM https://www.statista.com/statistics/266369/number-of-disciplines-in-the-winter-olympic-games-since-1924/?fbclid=IwAR2O_8Bl3YqnVOnjIzueWU__ZArwm1InBWVwLB3Dgiq53jn-shHMkewg-7k