| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | over the last few years [art] | 8 |
|
| 2 | over [art] last few years [art] | 8 |
|
| 3 | over [art] last few years [art] | 8 |
|
| 4 | over [art] last few years the | 6 |
|
