filename: 500
hash function: buzhash
total buckets:       65535
total tuples:        10020 (15.29%)
used buckets:        9285 (14.17%)
maximum list length: 4
average list length: 1.08
hash cost per tuple: 146 cyc, 295 ns, 3 Mhz on 497 Mhz CPU (INNER)
Count	Length	CT
2	4	0.08%
25	3	0.83%
679	2	14.38%
8579	1	100.00%
56250	0	100.00%