filename: 500
hash function: rt_ab2
total buckets:       262147
total tuples:        10020 (3.82%)
used buckets:        5165 (1.97%)
maximum list length: 11
average list length: 1.94
hash cost per tuple: 51 cyc, 102 ns, 10 Mhz on 498 Mhz CPU (INNER)
Count	Length	CT
5	11	0.55%
479	10	48.35%
1	9	48.44%
5	8	48.84%
6	7	49.26%
8	6	49.74%
8	4	50.06%
351	2	57.07%
4302	1	100.00%
256982	0	100.00%