filename: 500
hash function: rt
total buckets:       32771
total tuples:        10020 (30.58%)
used buckets:        8779 (26.79%)
maximum list length: 4
average list length: 1.14
hash cost per tuple: 48 cyc, 96 ns, 10 Mhz on 498 Mhz CPU (INNER)
Count	Length	CT
5	4	0.20%
79	3	2.56%
1068	2	23.88%
7627	1	100.00%
23992	0	100.00%