Hello! It's the end of the year and I have a lot of free time so I decided to play with CF api and create some statistical tables. (Sorry for mistakes)
In 2017 CF hosted 151 official contests, 106 of them were rated. Each rated contest on average attracted 2700 participants.
Currently there are 121957 rated users. In 2017 about 20000 users joined this amazing community! 372 of them now are in Div. 1. We have:
And happy New Year!