BEGIN;
BEGIN
select
	c_count,
	count(*) as custdist
from
	(
		select
			c_custkey,
			count(o_orderkey)
		from
			customer left outer join orders on
				c_custkey = o_custkey
				and o_comment not like '%unusual%packages%'
		group by
			c_custkey
	) as c_orders (c_custkey, c_count)
group by
	c_count
order by
	custdist desc,
	c_count desc;
 c_count | custdist 
---------+----------
       0 |  5000196
      10 |   677253
       9 |   664333
      11 |   632706
       8 |   591290
      12 |   563689
      13 |   493944
      19 |   476586
      18 |   469760
       7 |   466247
      20 |   465435
      17 |   450654
      14 |   444491
      21 |   435120
      16 |   431700
      15 |   425620
      22 |   387051
      23 |   330156
       6 |   319890
      24 |   268361
      25 |   208813
       5 |   187363
      26 |   155257
      27 |   111560
       4 |    90479
      28 |    76702
      29 |    50701
       3 |    35053
      30 |    32289
      31 |    19617
      32 |    11636
       2 |    10039
      33 |     6524
      34 |     3614
      35 |     1956
       1 |     1865
      36 |     1039
      37 |      517
      38 |      268
      39 |      120
      40 |       59
      41 |       24
      42 |       15
      43 |        6
      44 |        2
(45 rows)

COMMIT;
COMMIT