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 |    66077
       9 |    65186
      11 |    62133
       8 |    58314
      12 |    55921
      13 |    49886
      19 |    46903
       7 |    46391
      18 |    46300
      14 |    45427
      20 |    45084
      17 |    44775
      16 |    43684
      15 |    43665
      21 |    42454
      22 |    38146
       6 |    32796
      23 |    32543
      24 |    26885
      25 |    21125
       5 |    19597
      26 |    16126
      27 |    11702
       4 |     9888
      28 |     8274
      29 |     5704
       3 |     4015
      30 |     3766
      31 |     2343
      32 |     1522
       2 |     1174
      33 |      859
      34 |      506
      35 |      288
       1 |      218
      36 |      137
      37 |       69
      38 |       43
      39 |       28
      40 |       11
      42 |        5
      41 |        5
      44 |        2
      45 |        1
      43 |        1
(46 rows)

COMMIT;
COMMIT