filename: 500
hash function: crc32
total buckets:       8191
total tuples:        10020 (122.33%)
used buckets:        5816 (71.00%)
maximum list length: 7
average list length: 1.72
hash cost per tuple: 190 cyc, 384 ns, 3 Mhz on 497 Mhz CPU (INNER)
Count	Length	CT
1	7	0.07%
9	6	0.61%
56	5	3.40%
218	4	12.11%
715	3	33.51%
1845	2	70.34%
2972	1	100.00%
2375	0	100.00%