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 |    65993
       9 |    65159
      11 |    62261
       8 |    58193
      12 |    55850
      13 |    49780
      19 |    46801
       7 |    46590
      18 |    46147
      14 |    45378
      20 |    45287
      17 |    45001
      15 |    43925
      16 |    43595
      21 |    42172
      22 |    38347
       6 |    32722
      23 |    32495
      24 |    26973
      25 |    21170
       5 |    19598
      26 |    15997
      27 |    11750
       4 |     9962
      28 |     8157
      29 |     5657
       3 |     3971
      30 |     3769
      31 |     2417
      32 |     1510
       2 |     1182
      33 |      845
      34 |      501
      35 |      288
       1 |      232
      36 |      129
      37 |       83
      38 |       45
      39 |       22
      40 |       15
      42 |        3
      41 |        3
      45 |        2
      44 |        1
      43 |        1
(46 rows)

COMMIT;
COMMIT