Hong Kong has been ranked as the world's freest economy in the Index of Economic Freedom of Heritage Foundation for 20 consecutive years, since its inception in 1995.[23][42] The index measures restrictions on business, trade, investment, finance, property rights and labour, and considers the impact of corruption, government size and monetary controls in 183 economies. Hong Kong is the only one to have ever scored 90 points or above on the 100-point scale in 2014 Index.[43]