filename: 500
hash function: crc32
total buckets:       8209
total tuples:        10020 (122.06%)
used buckets:        5769 (70.28%)
maximum list length: 7
average list length: 1.74
hash cost per tuple: 190 cyc, 382 ns, 3 Mhz on 497 Mhz CPU (INNER)
Count	Length	CT
2	7	0.14%
13	6	0.92%
56	5	3.71%
213	4	12.22%
735	3	34.22%
1841	2	70.97%
2909	1	100.00%
2440	0	100.00%