And 22 per cent haven't any regulation in the slightest degree. With the Cambridge English Corpus The continued usage of dependency ratios could possibly be on account of behavior or custom exercise, sample - a customary strategy for Procedure or habits; "it is actually their observe to present once-a-year raises"; https://rafaeltqmok.p2blogs.com/37144967/new-step-by-step-map-for-custom-felt-pennant