United States 128
Russian Federation 72
Pakistan 32
Canada 12
Germany 9
Ireland 4
Brazil 4
Romania 3
India 2
Indonesia 2
Belgium 2
Ukraine 2
United Kingdom 2
Estonia 1
Korea, Republic of 1
Slovakia 1
United Arab Emirates 1
Taiwan, Province of China 1
Switzerland 1
Dominican Republic 1
Saint Lucia 1
Austria 1
Argentina 1
Egypt 1