filename: 500
hash function: crc32
total buckets:       32771
total tuples:        10020 (30.58%)
used buckets:        8627 (26.33%)
maximum list length: 4
average list length: 1.16
hash cost per tuple: 189 cyc, 382 ns, 3 Mhz on 497 Mhz CPU (INNER)
Count	Length	CT
12	4	0.48%
116	3	3.95%
1125	2	26.41%
7374	1	100.00%
24144	0	100.00%