31.   The index is calculated using figures and estimates of annual manufacturing output, electrical power consumed on a monthly basis and total hours worked.

32.   The indexes are calculated by subtracting the percentage of those who feel pessimistic about the economy from those who are optimistic.

33.   The Insee index is calculated by the balance of positive and negative responses to the survey.

34.   The index is calculated based on precipitation and temperature data, as well as the local available water content of the soil.

35.   The index is calculated by the Labor Department.

36.   The indexes are calculated by subtracting the number of respondent who say manufacturing or prices are rising from the number who say they are falling.

37.   The indexes are calculated by subtracting the number of respondents who say manufacturing or prices are rising from the number who say they are falling.

38.   The index is calculated according to positive and negative answers to the survey.

39.   The index is calculated using figures and estimates of annual manufacturing output, electrical power consumed monthly, and total hours worked.

40.   The manufacturing index is calculated by subtracting the percentage of respondents who expect a decrease in production, orders, and other components from those looking for an increase.