filename: 500
hash function: crc32
total buckets:       131071
total tuples:        10020 (7.64%)
used buckets:        9672 (7.38%)
maximum list length: 3
average list length: 1.04
hash cost per tuple: 189 cyc, 382 ns, 3 Mhz on 497 Mhz CPU (INNER)
Count	Length	CT
7	3	0.21%
334	2	6.88%
9331	1	100.00%
121399	0	100.00%