2013

6

Countries

6

Cities

2,515

Participants

2014

6

Countries

9

Cities

5,512

Participants

14

Companies

2015

8

Countries

12

Cities

10,881

Participants

14

Companies

2016

10

Countries

17

Cities

11,787

Participants

20

Companies

2017

13

Countries

23

Cities

28,000

Participants

29

Companies