diff --git a/src/composables/useMediaSourceSearch.ts b/src/composables/useMediaSourceSearch.ts
index a0148bf..fe370c3 100644
--- a/src/composables/useMediaSourceSearch.ts
+++ b/src/composables/useMediaSourceSearch.ts
@@ -1,11 +1,11 @@
 // this file incoperates the actual search for the yearly frequency data
 
 export function useMediaSourceSearch() {
-	const { FREQUENCIES_URL } = useAPIs();
+	// const { FREQUENCIES_URL } = useAPIs();
 
-	const { authenticatedFetch } = useAuthenticatedFetch();
-	// todo storeToRefs as soon this data is actually fetched
-	const { corpusStatistics } = useCorporaStore();
+	// const { authenticatedFetch } = useAuthenticatedFetch();
+	// // todo storeToRefs as soon this data is actually fetched
+	// const { corpusStatistics } = useCorporaStore();
 	// const { getWordlist } = useWordlist();
 	const getMediaSourceFrequencies = async (query: CorpusQuery) => {
 		// todo implement proper mapping and returning of ifos
diff --git a/src/composables/useYearlyFrequenciesSearch.ts b/src/composables/useYearlyFrequenciesSearch.ts
index fbf0247..a1041a6 100644
--- a/src/composables/useYearlyFrequenciesSearch.ts
+++ b/src/composables/useYearlyFrequenciesSearch.ts
@@ -1,7 +1,5 @@
 // this file incoperates the actual search for the yearly frequency data
-import { type Ref } from "vue"
-
-import { useCorporaStore } from "../stores/corpora";
+import { useCorporaStore, type usedYear } from "../stores/corpora";
 
 export function useYearlyFrequenciesSearch() {
 	const { FREQUENCIES_URL } = useAPIs();
@@ -32,8 +30,7 @@ export function useYearlyFrequenciesSearch() {
 			query.data.yearlyFrequencies.push({
 				year: Number(year),
 				absolute: freq,
-				// @ts-ignore
-				relative: freq / corpusStatistics.avgYearlyFrequencies[Number(year)],
+				relative: freq / corpusStatistics.avgYearlyFrequencies[Number(year) as unknown as usedYear],
 			});
 		});
 		query.loading.yearlyFrequencies = false;
diff --git a/src/stores/corpora.ts b/src/stores/corpora.ts
index e06b8b4..0dafff7 100644
--- a/src/stores/corpora.ts
+++ b/src/stores/corpora.ts
@@ -3,6 +3,24 @@ import { computed, type Ref, ref, watch } from "vue";
 
 import { useAuthenticatedFetch } from "../composables/useAuthenticatedFetch";
 
+export type usedYear = 2005 |
+	2006 |
+	2007 |
+	2008 |
+	2009 |
+	2010 |
+	2012 |
+	2013 |
+	2014 |
+	2015 |
+	2016 |
+	2017 |
+	2018 |
+	2019 |
+	2020 |
+	2021 |
+	2022;
+
 export const useCorporaStore = defineStore(
 	"corpora",
 	() => {
@@ -33,6 +51,8 @@ export const useCorporaStore = defineStore(
 		const subCorpora: Ref<Array<SubCorpus>> = ref([]);
 		const selectedSubCorpus: Ref<SubCorpus | null> = ref(null);
 
+
+
 		const corpusStatistics = ref({
 			// todo fetch this data from server
 			totalAverageFrequency: 30,
@@ -55,7 +75,7 @@ export const useCorporaStore = defineStore(
 				2020: 5,
 				2021: 5,
 				2022: 5,
-			},
+			} as Record<usedYear, number>,
 		});
 
 		const { SUB_CORPUS_URL } = useAPIs();