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 |    66066
       9 |    65181
      11 |    62166
       8 |    58279
      12 |    56079
      13 |    49546
      19 |    46712
      18 |    46351
       7 |    46336
      20 |    45311
      14 |    45277
      17 |    45006
      15 |    43984
      16 |    43729
      21 |    42253
      22 |    38048
       6 |    32773
      23 |    32504
      24 |    26968
      25 |    21154
       5 |    19751
      26 |    15983
      27 |    11807
       4 |     9841
      28 |     8226
      29 |     5670
       3 |     4009
      30 |     3722
      31 |     2440
      32 |     1492
       2 |     1162
      33 |      839
      34 |      500
      35 |      294
       1 |      225
      36 |      128
      37 |       73
      38 |       44
      39 |       22
      40 |       18
      42 |        4
      44 |        2
      41 |        2
      45 |        1
      43 |        1
(46 rows)

COMMIT;
COMMIT