filename: 500
hash function: jenkins2
total buckets:       65536
total tuples:        10020 (15.29%)
used buckets:        9287 (14.17%)
maximum list length: 4
average list length: 1.08
hash cost per tuple: 68 cyc, 137 ns, 7 Mhz on 498 Mhz CPU (INNER)
Count	Length	CT
4	4	0.16%
31	3	1.09%
659	2	14.24%
8593	1	100.00%
56249	0	100.00%