18 USSR	8649	275	Asia
28 Canada	3852	25	North America
20 China	3705	1032	Asia
26 USA	3615	237	North America
29 Brazil	3286	134	South America
19 India	1267	746	Asia
27 Mexico	762	78	North America
20 France	211	55	Europe
18 Japan	144	120	Asia
20 Germany	96	61	Europe
20 England	94	56	Europe
