1998 - [Elektronische Ressource]
,705 556 1,042 2,825 4,423 1,282 21 77.5 21
Canada 49,131 2,175 11,431 31,660 45,266 3,865 1 92.1 1
China 4,092 414 817 1,912 3 …,905,851 1,478,075 2,195,090 12,182,037 15,855,202 46,050,649 1 25.6 20
China 6,552,566 109,092 478,928 1,218,073 1,806,093 4 …