"This frame element is defined as the number of times an event occurs per some unit of time."@en . . . . . "JKs" . "Extra-Thematic"^^ . "Extra-Thematic" . "This frame element is defined as the number of times an event occurs per some unit of time."@en . . . "Frequency" . . "12435"^^ . "2008-04-02T12:34:52+02:00"^^ . "Frequency" . "Frequency"^^ . "This frame element is defined as the number of times an event occurs per some unit of time."^^ . "Fre" .