filename: 500
hash function: rt_ab2
total buckets:       16383
total tuples:        10020 (61.16%)
used buckets:        5028 (30.69%)
maximum list length: 20
average list length: 1.99
hash cost per tuple: 51 cyc, 102 ns, 10 Mhz on 498 Mhz CPU (INNER)
Count	Length	CT
4	20	0.80%
1	13	0.93%
12	12	2.37%
120	11	15.54%
343	10	49.77%
2	9	49.95%
8	8	50.59%
4	7	50.87%
7	6	51.29%
3	5	51.44%
4	4	51.60%
4	3	51.72%
322	2	58.14%
4194	1	100.00%
11355	0	100.00%