filename: 500
hash function: crc32_bof
hash seed 0x1c7f1d2d
total buckets:       32771
total tuples:        10020 (30.58%)
used buckets:        8635 (26.35%)
maximum list length: 5
average list length: 1.16
hash cost per tuple: 93 cyc, 187 ns, 5 Mhz on 498 Mhz CPU (INNER)
Count	Length	CT
2	5	0.10%
5	4	0.30%
110	3	3.59%
1142	2	26.39%
7376	1	100.00%
24136	0	100.00%