My stats:
1 second: 10 CPS
5 seconds: 8.8 CPS
10 seconds: 8.2 CPS
60 seconds: 7.08333... CPS
100 seconds: 6.66 CPS
Proof:
1 second: 10 CPS
5 seconds: 8.8 CPS
10 seconds: 8.2 CPS
60 seconds: 7.08333... CPS
100 seconds: 6.66 CPS
Proof: