1Denormalized data before clear:
2
3        0              500
4        1              700
5        2              900
6        3             1100
7        4             1300
8Aggregation data after clear:
9
10        0                0
11        1                0
12        2                0
13        3                0
14        4                0
15Final (denormalized) aggregation data:
16
17        0             1500
18        1             2700
19        2             2900
20        3             3100
21        4             3300
22
23