filename: 500
hash function: abcd
total buckets:       32767
total tuples:        10020 (30.58%)
used buckets:        9147 (27.92%)
maximum list length: 3
average list length: 1.10
hash cost per tuple: 43 cyc, 86 ns, 12 Mhz on 498 Mhz CPU (INNER)
Count	Length	CT
16	3	0.48%
841	2	17.27%
8290	1	100.00%
23620	0	100.00%