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| id | day | variable | amount |
|---|---|---|---|
| 1 | Monday | Total | null |
| 1 | Monday | null | 1 |
| 1 | Monday | null | 2 |
| 1 | Monday | null | 3 |
| 1 | Tuesday | Total | null |
| 1 | Tuesday | null | 1 |
| 1 | Tuesday | null | 2 |
| 1 | Tuesday | null | 3 |
| 2 | Monday | Total | null |
| 2 | Monday | null | 1 |
| 2 | Monday | null | 2 |
| 2 | Monday | null | 3 |
| 2 | Tuesday | Total | null |
| 2 | Tuesday | null | 1 |
| 2 | Tuesday | null | 2 |
| 2 | Tuesday | null | 3 |