filename: 500
hash function: crc32
total buckets:       131072
total tuples:        10020 (7.64%)
used buckets:        9811 (7.49%)
maximum list length: 2
average list length: 1.02
hash cost per tuple: 189 cyc, 382 ns, 3 Mhz on 497 Mhz CPU (INNER)
Count	Length	CT
209	2	4.17%
9602	1	100.00%
121261	0	100.00%