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 |   500021
      10 |    66091
       9 |    65129
      11 |    62269
       8 |    58229
      12 |    55780
      13 |    49813
      19 |    46872
       7 |    46523
      18 |    46030
      14 |    45360
      20 |    45250
      17 |    45054
      15 |    43931
      16 |    43631
      21 |    42182
      22 |    38258
       6 |    32718
      23 |    32517
      24 |    26964
      25 |    21250
       5 |    19614
      26 |    15977
      27 |    11737
       4 |     9961
      28 |     8149
      29 |     5649
       3 |     3980
      30 |     3778
      31 |     2421
      32 |     1511
       2 |     1171
      33 |      857
      34 |      497
      35 |      285
       1 |      233
      36 |      136
      37 |       84
      38 |       36
      39 |       29
      40 |       12
      41 |        4
      42 |        3
      45 |        2
      44 |        1
      43 |        1
(46 rows)

COMMIT;
COMMIT