| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | over the [num ord] 12 months | 64 |
|
| 2 | over [art] [num ord] 12 months | 64 |
|
| 3 | over [art] next 12 months | 48 |
|
| 4 | over [art] last 12 months | 16 |
|
