Found a mistake?

Error on page

All errors that happen are regularly monitored. We are not perfect though and it is possible that we have missed something. In case you found a mistake, please, do not hesitate and let us know. Please include as accurate description of the discovered error as possible and send it to us via e-mail on the address that can be found below.

Error in data

If you found an error in the data published on the webpage, please, report it to the e-mail address that can be found below. Data errors are in general corrected with more difficulties – data may have been defective prior to when we obtained them. Indeed, something may have gone wrong on our side as well.

We are trying to make as little mistakes as possible and we are thankful for any questions and concerns.