filename: 500
hash function: pearson
total buckets:       32771
total tuples:        10020 (30.58%)
used buckets:        8609 (26.27%)
maximum list length: 5
average list length: 1.16
hash cost per tuple: 547 cyc, 1103 ns, 1 Mhz on 497 Mhz CPU (INNER)
Count	Length	CT
2	5	0.10%
6	4	0.34%
135	3	4.38%
1115	2	26.64%
7351	1	100.00%
24162	0	100.00%