USA

1990

Greece

1842

Canada

403

Cyprus

354

United Kingdom

261

Australia

166

Belgium

71

Germany

54

France

46

Switzerland

24

Luxembourg

22

South Africa

20

Austria

20

Italy

16

Sweden

14

Argentina

9

Spain

6

Brazil

5

Mexico

3

Bulgaria

3

Iceland

3

Jordan

2

Norway

2

Finland

2

Saudi Arabia

2

Netherlands

2

Slovenia

1

South Korea

1

Zimbabwe

1

Yugoslavia

1

Wales

1

Ukraine

1

Holland

1

Hungary

1

Morocco

1

Albania

1

Colombia

1

Denmark

1

Romania

1

Serbia

1

Seychelles

1

New Zealand

1

Poland

1

Portugal

1