Q25. Arrival hour pattern (shop hours 07:00-21:00).   [14 row(s)]
hour | bills
-----+------
07   | 387
08   | 336
09   | 336
10   | 118
11   | 125
12   | 109
13   | 108
14   | 102
15   | 209
16   | 211
17   | 229
18   | 219
19   | 229
20   | 235
