filename: 500
hash function: crc32_2x6
hash seed 0x1c7f1d2d
total buckets:       32768
total tuples:        10020 (30.58%)
used buckets:        9253 (28.24%)
maximum list length: 2
average list length: 1.08
hash cost per tuple: 119 cyc, 240 ns, 4 Mhz on 497 Mhz CPU (INNER)
Count	Length	CT
767	2	15.31%
8486	1	100.00%
23515	0	100.00%