Data was received in 2015 from 23 Member States and Norway; in 2016, from all 28 Member States plus Norway and Iceland; and in 2017 from 26 Member States.
2015-ben 23 tagállam és Norvégia szolgáltatott adatokat, 2016-ban 28 tagállam, valamint Norvégia és Izland, 2017-ben pedig 26 tagállam.