[COMP-351] Added graph for commodity vs R&E traffic

compendium-frontend/src/pages/TrafficRatioGraph.tsx

@@ -106,7 +106,7 @@ interface inputProps {
 
 function TrafficRatioGraph({ roles = false }: inputProps) {
     const { filterSelection, setFilterSelection } = useContext(FilterSelectionContext);
-    const { data: trafficRatioData, years, nrens } = useData<TrafficRatio>('/api/traffic-ratio/', setFilterSelection);
+    const { data: trafficRatioData, years, nrens } = useData<TrafficRatio>('/api/network/traffic-ratio', setFilterSelection);
 
     const trafficRatioDataset = createTrafficRatioDataset(trafficRatioData, filterSelection.selectedYears[0]);