As of October 2009:

United States
Russia
Japan
Australia
New Zealand
Malaysia
Italy
China
South Africa
Indonesia
Korea
Singapore
France
United Arab Emirates
Taiwan
Thailand
Hong Kong
India
Pakistan
Middle East
Macau
Mexico
Honduras
Bolivia
Chile
Ecuador
Paraguay
Suriname
Venezuela
Uruguay
Peru
French Guiana
Columbia
Brazil
Argentina
Antigua
Aruba
Bahamas
Belize
British Virgin Islands
Caicos Islands
Cayman Islands
Costa Rica
Cuba
Dominique (Dominica)
Dominican Republic
El Salvador
Falkland Islands
Grenada
Guadeloupe
Haiti
Jamaica
Martinique
Mauritius
Nicaragua
Panama
Puerto Rico
St. Kitts
St. Lucia
St. Marteen
St. Vincent & Grenadines
St. Christopher & Nevis
Trinidad & Tobago
Bermuda
Cambodia
East Timor
Laos
Maldives
Micronesia
Montserrat
Myanmar
New Caledonia