Periodensumme	Nominativ, Singular	nominative case, singular
	Periodensumme	Genitiv, Singular	genitive case, singular
	Periodensumme	Dativ, Singular	dative case, singular
	Periodensumme	Akkusativ, Singular	accusative case, singular
	Periodensummeen	Nominativ, Plural	nominative case, plural
	Periodensummeen	Genitiv, Plural	genitive case, plural
	Periodensummeen	Dativ, Plural	dative case, plural
	Periodensummeen	Akkusativ, Plural	accusative case, plural