81.   The indices measure the difference between firms saying economic conditions are favourable and those saying they are unfavourable.

82.   The index measures the difference between the number of responses from enterprises that show a positive outlook towards the economy and those that have negative projections.

83.   The index measures the difference between the number of responses from enterprises which show a positive outlook towards the economy and those that have negative projections.

84.   The index measures the difference between the number of responses with a positive outlook towards the economy minus those with negative projections.

85.   The index measures production activity in all industries.

86.   The index measures the balance between positive and negative expectations for the German economy over the next six months.

87.   The index measures wages, insurance, vacations and other benefits.