Problem
#1 United States
#1 Australia
#1 Brunei Darussalam
#1 Bulgaria
#1 Canada
#1 Chile
#1 Cyprus
#1 Denmark
#1 Dominican Republic
#1 Egypt
#1 El Salvador
#1 Finland
#1 Greece
#1 Indonesia
#1 Israel
#1 Kazakhstan
#1 Lebanon
#1 Macau
#1 Malaysia
#1 Mexico
#1 Netherlands
#1 New Zealand
#1 Norway
#1 Philippines
#1 Singapore
#1 Slovenia
#1 Sweden
#1 United Arab Emirates
#2 Argentina
#2 Brazil
#2 Guatemala
#2 Hong Kong
#2 Latvia
#2 Poland
#2 Thailand
#3 Fiji
#3 Turkey
#3 Venezuela
#4 Spain
#5 Czech Republic
#5 Peru
#5 Portugal
#6 Colombia
#7 Barbados
#8 Austria
#8 Costa Rica
#8 Nigeria
#8 Saint Kitts and Nevis
#8 Slovakia
#9 Ecuador
#10 Bahrain
#10 South Africa
#11 Switzerland
#12 Argentina
#13 Zimbabwe
#14 Nicaragua
#16 Hungary
#17 Chile
#18 Japan
#18 Portugal
#19 Ecuador
#21 Italy
#21 Russia
#23 Belgium
#23 France
#24 Germany
#27 Costa Rica
#28 India
#31 Jordan
#32 Taiwan
#42 Azerbaijan
#54 Luxembourg
#68 Qatar
#91 Lithuania
#103 Colombia
#146 The Bahamas