filename: 500
hash function: abcdef
total buckets:       131101
total tuples:        10020 (7.64%)
used buckets:        9593 (7.32%)
maximum list length: 3
average list length: 1.04
hash cost per tuple: 44 cyc, 88 ns, 11 Mhz on 497 Mhz CPU (INNER)
Count	Length	CT
9	3	0.27%
409	2	8.43%
9175	1	100.00%
121508	0	100.00%