filename: 500
hash function: random
total buckets:       131101
total tuples:        10020 (7.64%)
used buckets:        9681 (7.38%)
maximum list length: 3
average list length: 1.04
hash cost per tuple: 101 cyc, 204 ns, 5 Mhz on 497 Mhz CPU (INNER)
Count	Length	CT
7	3	0.21%
325	2	6.70%
9349	1	100.00%
121420	0	100.00%