filename: 500
hash function: crc32
total buckets:       32767
total tuples:        10020 (30.58%)
used buckets:        8591 (26.22%)
maximum list length: 4
average list length: 1.17
hash cost per tuple: 190 cyc, 384 ns, 3 Mhz on 497 Mhz CPU (INNER)
Count	Length	CT
5	4	0.20%
150	3	4.69%
1114	2	26.93%
7322	1	100.00%
24176	0	100.00%