filename: 500
hash function: rt_ab2
total buckets:       32767
total tuples:        10020 (30.58%)
used buckets:        5172 (15.78%)
maximum list length: 12
average list length: 1.94
hash cost per tuple: 51 cyc, 103 ns, 10 Mhz on 498 Mhz CPU (INNER)
Count	Length	CT
2	12	0.24%
64	11	7.27%
418	10	48.98%
7	8	49.54%
7	7	50.03%
6	6	50.39%
8	4	50.71%
279	2	56.28%
4381	1	100.00%
27595	0	100.00%