| Countries | Conferences |
|---|---|
 USA | 26346 |
 UK | 4323 |
 Germany | 3359 |
 Canada | 1925 |
 India | 1846 |
 Australia | 1761 |
 Italy | 972 |
 China | 969 |
 Spain | 934 |
 France | 894 |
 UAE | 826 |
 Netherlands | 801 |
 Switzerland | 746 |
 Japan | 668 |
 Austria | 632 |
 Singapore | 544 |
 Thailand | 495 |
 New Zealand | 442 |
 Malaysia | 428 |
 Greece | 414 |
 Portugal | 406 |
 Turkey | 383 |
 Belgium | 350 |
 South Africa | 349 |
 Indonesia | 330 |
 Sweden | 288 |
 Czech Republic | 281 |
 Denmark | 262 |
 Ireland | 257 |
 Poland | 253 |
 South Korea | 245 |
 Brazil | 216 |
 Russia | 194 |
 Mexico | 184 |
 Norway | 174 |
 Finland | 171 |
 Hungary | 170 |
 Hong Kong | 150 |
 Taiwan | 133 |
 Saudi Arabia | 122 |
 Vietnam | 121 |
 Romania | 119 |
 Philippines | 109 |
 Kenya | 102 |
 Croatia | 97 |
 Bulgaria | 91 |
 Egypt | 87 |
 Israel | 83 |
 Colombia | 82 |
 Slovenia | 80 |
 Nigeria | 74 |
 Morocco | 62 |
 Serbia | 59 |
 Sri Lanka | 57 |
 Chile | 52 |
 Slovakia | 52 |
 Estonia | 48 |
 Oman | 47 |
 Argentina | 45 |
 Ukraine | 43 |
 Qatar | 41 |
 Lithuania | 40 |
 Bangladesh | 37 |
 Latvia | 34 |
 Macau (China) | 34 |
 Pakistan | 32 |
 Peru | 29 |
 Luxembourg | 28 |
 Nepal | 26 |
 Ghana | 25 |
 Cambodia | 24 |
 Panama | 22 |
 Bahrain | 21 |
 Kazakhstan | 21 |
 Jordan | 18 |
 Iran | 16 |
 Azerbaijan | 14 |
 Ethiopia | 12 |
 Kuwait | 12 |
 Tanzania | 11 |
 Myanmar | 10 |
