filename: 500
hash function: random
total buckets:       262144
total tuples:        10020 (3.82%)
used buckets:        9831 (3.75%)
maximum list length: 3
average list length: 1.02
hash cost per tuple: 100 cyc, 202 ns, 5 Mhz on 498 Mhz CPU (INNER)
Count	Length	CT
1	3	0.03%
187	2	3.76%
9643	1	100.00%
252313	0	100.00%