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 '%express%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 |    66050
       9 |    65190
      11 |    62098
       8 |    58371
      12 |    55968
      13 |    49875
      19 |    46822
      18 |    46416
       7 |    46344
      14 |    45390
      20 |    45129
      17 |    44783
      15 |    43701
      16 |    43641
      21 |    42516
      22 |    37991
       6 |    32812
      23 |    32579
      24 |    26940
      25 |    21067
       5 |    19608
      26 |    16132
      27 |    11710
       4 |     9850
      28 |     8305
      29 |     5687
       3 |     4030
      30 |     3765
      31 |     2348
      32 |     1508
       2 |     1180
      33 |      859
      34 |      508
      35 |      295
       1 |      215
      36 |      134
      37 |       67
      38 |       42
      39 |       27
      40 |       12
      41 |        6
      42 |        4
      44 |        2
      45 |        1
      43 |        1
(46 rows)

COMMIT;
COMMIT