max_workers =>  1
  choroba  21.432 seconds
  1nickt   18.644 seconds

max_workers =>  2
  choroba  10.808 seconds
  1nickt    9.348 seconds

max_workers =>  4
  choroba   5.836 seconds
  1nickt    4.992 seconds

max_workers =>  8
  choroba   3.163 seconds
  1nickt    2.731 seconds

max_workers => 16
  choroba   1.835 seconds
  1nickt    1.623 seconds

max_workers => 32
  choroba   1.218 seconds
  1nickt    1.105 seconds