Region
Malaysia
10
Malaysia --
10
Singapore
5
Singapore --
5
Hungary
3
Hungary --
3
United States
2
United States --
2
Europe, Eastern
1
Europe, Eastern --
1
Former Soviet republics
1
Former Soviet republics --
1
Israel
1
Israel --
1
Parliamentary practice --
1
Russia (Federation)
1
Russia (Federation) --
1
Singapore Parliament --
1
Thailand
1
Thailand --
1
Western Samoa --
1