which country has the highest quantity of gold?
['United States. Tonnes: 8,133.5. Percent of foreign reserves: 76.0 percent.', 'Germany. Tonnes: 3,366.8. Percent of foreign reserves: 71.9 percent. ... ', 'Italy. Tonnes: 2,451.8. Percent of foreign reserves: 67.4 percent. ... ', 'France. Tonnes: 2,436.1. ... ', 'Russia. Tonnes: 2,219.2. ... ', 'China. Tonnes: 1,936.5. ... ', 'Switzerland. Tonnes: 1,040.0. ... ', 'Japan. Tonnes: 765.2. ... ']