What does the remark "indirect or uncertain method of determination" mean when referring to financial parameters?

The method used to determine the respective key figure has an increased factor of uncertainty.

This particularly affects:

• Revenue Estimates (Statistical Methods)
• Profit information (Difference to previous year's balance sheet)
• Number of Employees (Textual Analysis)

Such key performance indicators are marked with an asterisk (*) in the table display and shown with shaded bars in the bar chart. In principle, they are only available to Premium Users.