filename: 500
hash function: crc32
total buckets:       16383
total tuples:        10020 (61.16%)
used buckets:        7406 (45.21%)
maximum list length: 6
average list length: 1.35
hash cost per tuple: 191 cyc, 385 ns, 3 Mhz on 497 Mhz CPU (INNER)
Count	Length	CT
1	6	0.06%
5	5	0.31%
66	4	2.94%
344	3	13.24%
1703	2	47.24%
5287	1	100.00%
8977	0	100.00%