filename: 500
hash function: abcdx
total buckets:       32767
total tuples:        10020 (30.58%)
used buckets:        9220 (28.14%)
maximum list length: 3
average list length: 1.09
hash cost per tuple: 43 cyc, 86 ns, 12 Mhz on 498 Mhz CPU (INNER)
Count	Length	CT
9	3	0.27%
782	2	15.88%
8429	1	100.00%
23547	0	100.00%