filename: 500
hash function: buzhash
total buckets:       65537
total tuples:        10020 (15.29%)
used buckets:        9293 (14.18%)
maximum list length: 4
average list length: 1.08
hash cost per tuple: 146 cyc, 294 ns, 3 Mhz on 498 Mhz CPU (INNER)
Count	Length	CT
1	4	0.04%
30	3	0.94%
664	2	14.19%
8598	1	100.00%
56244	0	100.00%