When will the world run out of oil? One way to judge is to determine the oil reserves of the countries around the world. The next table displays the known oil reserves of the top 15 countries.

Graphically describe the figures.

Country Reserves Brazil 12,620,000,000 Canada 178,100,000,000 China 16,000,000,000 Country Reserves Iran 136,200,000,000 Iraq 115,000,000,000 Kazakhstan 30,000,000,000 Kuwait 104,000,000,000 Libya 43,660,000,000 Nigeria 36,220,000,000 Qatar 15,210,000,000 Russia 60,000,000,000 Saudi Arabia 266,700,000,000 United Arab Emirates 97,800,000,000 United States 21,320,000,000 Venezuela 99,380,000,000