Demand for dollars hit a 4-year high during the recent military standoff between Russia and Ukraine

, Bohdan Danylyshyn, chairman of the National Bank of Ukraine, announced on the banks Facebook page. Since the start of April, Ukrainians bought $422 million more dollars than they sold, according to Central Bank figures. By comparison, the figure in March was $182 million. After Russia’s Defense Minister promised on Thursday to withdraw troops from positions near Ukraine, the hryvnia strengthened against the dollar by 0.5%.