filename: 500
hash function: crc32_2x6
hash seed 0x1c7f1d2d
total buckets:       262147
total tuples:        10020 (3.82%)
used buckets:        9830 (3.75%)
maximum list length: 3
average list length: 1.02
hash cost per tuple: 119 cyc, 240 ns, 4 Mhz on 497 Mhz CPU (INNER)
Count	Length	CT
2	3	0.06%
186	2	3.77%
9642	1	100.00%
252317	0	100.00%