In Brazil, the Industrial Entrepreneur Confidence Index (ICEI) measures the current situation of businesses and their future prospects. The survey covers about 2,500 companies in the construction, mining, and manufacturing industries. The questionnaire is made by phone and focuses on: production trends in recent months, order books, export order books, stocks and production expectations. The indicator varies on a scale of 0 to 100 where 50 indicates neutrality, 0 indicates extreme lack of confidence and 100 extreme confidence.