Pass 1 time:   0.55
Sorting time:   9.39
Pass 2 time:   1.71
Total records selected: 23480
Total time:  11.65

Pass 1 time:   0.54
Sorting time:  38.67
Pass 2 time:   3.41
Total records selected: 46960
Total time:  42.67

Pass 1 time:   0.66
Sorting time: 282.48
Pass 2 time:   8.68
Total records selected: 117400
Total time: 291.82

Pass 1 time:   1.32
Sorting time: 1147.23
Pass 2 time:  17.52
Total records selected: 234801
Total time: 1166.24