This release is frequently released early. It can come out as early as 9:55am EST. The official release time is 10:00. Base year 1966=100. A survey of consumer attitudes concerning both the present situation as well as expectations regarding economic conditions conducted by the University of Michigan. For the preliminary release approximately three hundred consumers are surveyed while five hundred are interviewed for the final figure. The level of consumer sentiment is related to the strength of consumer spending. Please note that this report is released twice per month. The first is a preliminary figure while the second is the final (revised) figure. HP only shows the final values for previous months while ECO <GO> includes every release. This may account for discrepancies between the 'Prior' column and HP.