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西太平洋区有３６个国家／地区；蒙古国是１９９５年被转到该区的。没有从库克群岛，瑙鲁和新喀里多尼亚得到材料
The West Pacific has 36 countries; Mongolia was transferred to the area in 1995. No material was obtained from the Cook Islands, Nauru and New Caledonia