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 |    66097
       9 |    65186
      11 |    62241
       8 |    58355
      12 |    55792
      13 |    49787
      19 |    46767
       7 |    46709
      18 |    46243
      14 |    45401
      20 |    45237
      17 |    45094
      15 |    43942
      16 |    43684
      21 |    42158
      22 |    38205
       6 |    32815
      23 |    32424
      24 |    26816
      25 |    21109
       5 |    19713
      26 |    15862
      27 |    11671
       4 |    10026
      28 |     8088
      29 |     5606
       3 |     3992
      30 |     3729
      31 |     2387
      32 |     1503
       2 |     1190
      33 |      841
      34 |      491
      35 |      282
       1 |      235
      36 |      130
      37 |       83
      38 |       41
      39 |       24
      40 |       13
      42 |        3
      41 |        3
      45 |        2
      44 |        1
      43 |        1
(46 rows)

COMMIT;
COMMIT