filename: 500
hash function: rt_ab2
total buckets:       262143
total tuples:        10020 (3.82%)
used buckets:        5037 (1.92%)
maximum list length: 12
average list length: 1.99
hash cost per tuple: 51 cyc, 103 ns, 10 Mhz on 497 Mhz CPU (INNER)
Count	Length	CT
1	12	0.12%
5	11	0.67%
478	10	48.37%
6	8	48.85%
6	7	49.27%
8	6	49.75%
8	4	50.07%
478	2	59.61%
4047	1	100.00%
257106	0	100.00%