filename: 500
hash function: random
total buckets:       131071
total tuples:        10020 (7.64%)
used buckets:        9636 (7.35%)
maximum list length: 3
average list length: 1.04
hash cost per tuple: 100 cyc, 202 ns, 5 Mhz on 498 Mhz CPU (INNER)
Count	Length	CT
13	3	0.39%
358	2	7.53%
9265	1	100.00%
121435	0	100.00%