Variablerne er valgt ud fra frivillige dataindsamlinger vedrørende kreditinstitutter og pensionskasser , der blev iværksat fra referenceåret 1997 samt ud fra pilotundersøgelsen vedrørende pensionskasser .
The choice of characteristics is based on voluntary collections of data on credit institutions and pension funds launched with the reference year 1997 , as well as the pilot action on pension funds .