| Countries | Conferences |
|---|---|
 USA | 26609 |
 UK | 5322 |
 Germany | 4242 |
 Canada | 2519 |
 Australia | 1944 |
 India | 1386 |
 France | 1314 |
 Italy | 1282 |
 Spain | 1220 |
 UAE | 1085 |
 Netherlands | 1080 |
 China | 986 |
 Switzerland | 928 |
 Japan | 852 |
 Austria | 813 |
 Singapore | 608 |
 Portugal | 554 |
 Thailand | 470 |
 Malaysia | 440 |
 Belgium | 435 |
 Greece | 427 |
 Turkey | 408 |
 South Africa | 400 |
 Indonesia | 399 |
 Czech Republic | 389 |
 Poland | 382 |
 New Zealand | 376 |
 Sweden | 371 |
 Brazil | 342 |
 Denmark | 340 |
 South Korea | 314 |
 Ireland | 311 |
 Finland | 276 |
 Norway | 248 |
 Mexico | 210 |
 Russia | 204 |
 Hong Kong | 197 |
 Saudi Arabia | 184 |
 Croatia | 153 |
 Hungary | 153 |
 Kenya | 148 |
 Romania | 121 |
 Taiwan | 121 |
 Vietnam | 115 |
 Philippines | 102 |
 Bulgaria | 95 |
 Colombia | 87 |
 Nigeria | 85 |
 Egypt | 81 |
 Morocco | 77 |
 Israel | 71 |
 Slovenia | 71 |
 Slovakia | 68 |
 Chile | 64 |
 Lithuania | 64 |
 Ghana | 61 |
 Serbia | 56 |
 Estonia | 55 |
 Argentina | 53 |
 Rwanda | 52 |
 Luxembourg | 51 |
 Qatar | 47 |
 Iceland | 45 |
 Latvia | 43 |
 Puerto Rico | 42 |
 Sri Lanka | 40 |
 Uganda | 37 |
 Cyprus | 35 |
 Ukraine | 35 |
 Tanzania | 32 |
 Oman | 29 |
 Bahrain | 25 |
 Bahamas | 25 |
 Kazakhstan | 24 |
 Bangladesh | 23 |
 Peru | 22 |
 Jordan | 21 |
 Tunisia | 21 |
 Macau (China) | 20 |
 Panama | 20 |
 Nepal | 18 |
 Azerbaijan | 17 |
 Ethiopia | 17 |
 Pakistan | 17 |
 Armenia | 16 |
 Costa Rica | 16 |
 Cambodia | 16 |
 Georgia | 15 |
 Uzbekistan | 15 |
 Bosnia & Herzegovina | 13 |
 Dominican Republic | 12 |
 Brunei | 11 |
 Uruguay | 11 |
 Algeria | 10 |
 Iraq | 10 |
 Namibia | 9 |
 Albania | 8 |
 Ecuador | 8 |
 Iran | 8 |