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 |    66067
       9 |    65184
      11 |    62154
       8 |    58329
      12 |    56159
      13 |    49447
      19 |    46759
       7 |    46281
      18 |    46238
      14 |    45345
      20 |    45301
      17 |    45060
      15 |    43910
      16 |    43766
      21 |    42267
      22 |    38045
       6 |    32778
      23 |    32523
      24 |    26900
      25 |    21243
       5 |    19737
      26 |    15945
      27 |    11834
       4 |     9848
      28 |     8198
      29 |     5687
       3 |     4013
      30 |     3719
      31 |     2434
      32 |     1471
       2 |     1164
      33 |      865
      34 |      494
      35 |      298
       1 |      226
      36 |      120
      37 |       76
      38 |       44
      39 |       23
      40 |       17
      42 |        4
      44 |        2
      41 |        2
      45 |        1
      43 |        1
(46 rows)

COMMIT;
COMMIT