filename: 500
hash function: random
total buckets:       262143
total tuples:        10020 (3.82%)
used buckets:        9832 (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
3	3	0.09%
182	2	3.72%
9647	1	100.00%
252311	0	100.00%