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Subject Predicate Object <p>The monthly business outlook survey in the building industry is conducted every month. It includes a quarterly component of a few questions asked in January, April, July and October.</p> <p>In practice, two models of questionnaires were created to take into account these specificities:<br /> - the monthly questionnaire corresponds to the months of February, March, May, June, September, November and December. This questionnaire contains only the questions at monthly intervals;<br /> - the quarterly questionnaire is sent in January, April, July and October. In addition to monthly questions, it includes questions on a quarterly basis.</p>