United States 1,292
Sri Lanka 273
India 150
Belgium 67
China 66
Australia 51
Saudi Arabia 41
Iceland 34
Pakistan 27
United Arab Emirates 26
Canada 24
Norway 22
Poland 20
European Union 19
United Kingdom 17
Finland 15
Germany 11
Qatar 8
Bangladesh 8
Korea, Republic of 6
Italy 6
Singapore 5
Malaysia 4
Thailand 4
France 4
Maldives 4
Kuwait 3
Ireland 3
Bahrain 3
Oman 3
Bulgaria 2
Netherlands 2
Nepal 2
Jordan 2
Indonesia 2
Brunei Darussalam 1
Gambia 1
Lao People's Democratic Republic 1
Philippines 1
Malta 1
Greece 1
South Africa 1
Japan 1
Egypt 1
Nauru 1
Yemen 1
Estonia 1
New Zealand 1
Russian Federation 1