| Countries | Conferences |
|---|---|
 USA | 25442 |
 UK | 4181 |
 Germany | 3117 |
 India | 1970 |
 Canada | 1920 |
 Australia | 1696 |
 UAE | 922 |
 China | 922 |
 Italy | 918 |
 France | 845 |
 Spain | 842 |
 Netherlands | 698 |
 Japan | 694 |
 Switzerland | 692 |
 Austria | 572 |
 Singapore | 495 |
 Thailand | 495 |
 Malaysia | 396 |
 New Zealand | 385 |
 Portugal | 384 |
 Greece | 362 |
 Turkey | 358 |
 South Africa | 324 |
 Indonesia | 305 |
 Belgium | 299 |
 Sweden | 250 |
 Czech Republic | 243 |
 Denmark | 243 |
 South Korea | 238 |
 Ireland | 223 |
 Poland | 202 |
 Brazil | 196 |
 Mexico | 195 |
 Finland | 181 |
 Russia | 175 |
 Hong Kong | 156 |
 Norway | 154 |
 Hungary | 146 |
 Taiwan | 145 |
 Saudi Arabia | 125 |
 Vietnam | 116 |
 Romania | 107 |
 Israel | 101 |
 Egypt | 99 |
 Kenya | 97 |
 Philippines | 96 |
 Sri Lanka | 76 |
 Nigeria | 76 |
 Bulgaria | 75 |
 Colombia | 71 |
 Croatia | 70 |
 Morocco | 67 |
 Slovenia | 58 |
 Chile | 54 |
 Qatar | 50 |
 Serbia | 50 |
 Argentina | 40 |
 Estonia | 40 |
 Lithuania | 39 |
 Slovakia | 38 |
 Oman | 37 |
 Bangladesh | 36 |
 Pakistan | 35 |
 Macau (China) | 32 |
 Latvia | 31 |
 Ukraine | 30 |
 Cambodia | 25 |
 Peru | 25 |
 Bahrain | 24 |
 Luxembourg | 24 |
 Nepal | 22 |
 Panama | 22 |
 Ghana | 21 |
 Iran | 18 |
 Jordan | 18 |
 Kazakhstan | 16 |
 Azerbaijan | 13 |
 Kuwait | 13 |
 Tanzania | 12 |
 Ethiopia | 9 |
 Myanmar | 7 |
