Region
Singapore
3
Singapore --
3
Asia --
2
Japan
2
United States --
2
Africa --
1
Asia, Southeastern
1
Asia, Southeastern --
1
Europe --
1
Germany
1
Germany --
1
Hiroshima-shi (Japan) --
1
Japan --
1
Malaya
1
Malaya --
1
Malaysia --
1
Nanjing (Jiangsu Sheng, China) --
1
Pacific Area
1
Poland --
1
Switzerland
1
Switzerland --
1
United States
1