. . . . . . . . . "Code list for Frequency (FREQ) - codelist scheme"@en . "It provides a list of values indicating the \"frequency\" of the data (e.g. monthly) and, thus, indirectly, also implying the type of \"time reference\" that could be used for identifying the data with respect time."@en . . . "CL_FREQ" . "Code list for Frequency (FREQ) - codelist scheme"@en . . .