Statistics have been collected since the first of September, 2018.
Dates are in server time (Europe/Asmterdam).
Also take a look at the global statistics.
Ethereum keys generated
Every time an ethereum page is visited, keys are generated.
Below are the total amount of ethereum private keys that have been generated.
This month: 275,744
Last month: 38,868,768
All time: 6,073,950,336