filename: 500
hash function: abcdef
total buckets:       32767
total tuples:        10020 (30.58%)
used buckets:        8685 (26.51%)
maximum list length: 4
average list length: 1.15
hash cost per tuple: 44 cyc, 88 ns, 11 Mhz on 497 Mhz CPU (INNER)
Count	Length	CT
10	4	0.40%
109	3	3.66%
1087	2	25.36%
7479	1	100.00%
24082	0	100.00%