filename: 500
hash function: pearson
total buckets:       262147
total tuples:        10020 (3.82%)
used buckets:        9839 (3.75%)
maximum list length: 3
average list length: 1.02
hash cost per tuple: 549 cyc, 1105 ns, 1 Mhz on 498 Mhz CPU (INNER)
Count	Length	CT
1	3	0.03%
179	2	3.60%
9659	1	100.00%
252308	0	100.00%