def List_num_activity(Counter_num_activity):
    """Gets list from counter of number each activity was performed per individual."""
    num_activity = [k for k in Counter_num_activity.keys()]
    num_activity.sort()
    counts_num_activity = [Counter_num_activity[v] for v in num_activity]
    counts_num_activity_non_zero = sum([Counter_num_activity[v] for v in num_activity if v != 0])
    return(num_activity, counts_num_activity, counts_num_activity_non_zero)