filename: 500
hash function: buzhash
total buckets:       32771
total tuples:        10020 (30.58%)
used buckets:        8621 (26.31%)
maximum list length: 5
average list length: 1.16
hash cost per tuple: 147 cyc, 297 ns, 3 Mhz on 497 Mhz CPU (INNER)
Count	Length	CT
2	5	0.10%
14	4	0.66%
116	3	4.13%
1117	2	26.43%
7372	1	100.00%
24150	0	100.00%