filename: 500
hash function: abcdx
total buckets:       32771
total tuples:        10020 (30.58%)
used buckets:        9273 (28.30%)
maximum list length: 2
average list length: 1.08
hash cost per tuple: 43 cyc, 86 ns, 12 Mhz on 498 Mhz CPU (INNER)
Count	Length	CT
747	2	14.91%
8526	1	100.00%
23498	0	100.00%