Riders active in 1973
All riders
United Arab Emirates
Afghanistan
Antigua and Barbuda
Albania
Angola
Argentina
Austria
Australia
Aruba
Azerbaijan
Bosnia and Herzegovina
Barbados
Bangladesh
Belgium
Burkina Faso
Bulgaria
Bahrain
Burundi
Benin
Unknown Country
Bermuda
Brunei Darussalam
Bolivia
Brazil
Bahamas
Botswana
Belarus
Belize
Canada
Switzerland
Ivory Coast
Chile
Cameroon
China
Colombia
Costa Rica
Cuba
Curaçao
Cyprus
Czech Republic
Germany
Denmark
Dominican Republic
Algeria
Ecuador
Estonia
Egypt
Eritrea
Spain
Ethiopia
Finland
France
United Kingdom
Ghana
Greece
Guatemala
Guam
Guyana
Hong Kong
Honduras
Croatia
Hungary
Unknown Country
Indonesia
Ireland
Israel
India
Iraq
Iran
Iceland
Italy
Jamaica
Japan
Kenya
Korea Rep.
Kuwait
Kazakhstan
Lao People's Democratic Republic
Liechtenstein
Lesotho
Lithuania
Luxembourg
Latvia
Morocco
Madagascar
North Macedonia
Mongolia
Macau
Malta
Mauritius
Mexico
Malaysia
Namibia
Nigeria
Nicaragua
Netherlands
Norway
New Zealand
Panama
Peru
Philippines
Pakistan
Poland
Puerto Rico
Portugal
Paraguay
Refugee
Romania
Serbia
Russian Federation
Rwanda
Saudi Arabia
Sweden
Singapore
Slovenia
Slovakia
Sierra Leone
San Marino
Senegal
El Salvador
Sint Maarten (Dutch part)
Syrian Arab Republic
Eswatini
Thailand
Tunisia
Turkey
Trinidad and Tobago
Taiwan
Tanzania, United Republic of
Ukraine
Uganda
Unknown Country
United States of America
Uruguay
Uzbekistan
Venezuela
Virgin Islands (British)
Virgin Islands (U.S.)
Viet Nam
Unknown Country
Samoa
Kosovo
South Africa
Zimbabwe
