filename: 500
hash function: rt_ab2
total buckets:       32768
total tuples:        10020 (30.58%)
used buckets:        4686 (14.30%)
maximum list length: 12
average list length: 2.14
hash cost per tuple: 51 cyc, 103 ns, 10 Mhz on 497 Mhz CPU (INNER)
Count	Length	CT
12	12	1.44%
53	11	7.26%
419	10	49.07%
7	8	49.63%
5	7	49.98%
8	6	50.46%
2	5	50.56%
6	4	50.80%
756	2	65.89%
3418	1	100.00%
28082	0	100.00%