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 '%special%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 |   500017
      10 |    66178
       9 |    65170
      11 |    62004
       8 |    58309
      12 |    56132
      13 |    49754
      18 |    46465
      19 |    46443
       7 |    46235
      20 |    45249
      14 |    45037
      17 |    45020
      15 |    43993
      16 |    43825
      21 |    42329
      22 |    38049
       6 |    32885
      23 |    32613
      24 |    26712
      25 |    21296
       5 |    19655
      26 |    16087
      27 |    11756
       4 |     9837
      28 |     8281
      29 |     5627
       3 |     4047
      30 |     3759
      31 |     2438
      32 |     1479
       2 |     1159
      33 |      879
      34 |      475
      35 |      283
       1 |      226
      36 |      132
      37 |       80
      38 |       34
      39 |       21
      40 |       15
      41 |        8
      42 |        4
      45 |        2
      43 |        1
(45 rows)

COMMIT;
COMMIT