| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | over the past few years [art] | 10 |
|
| 2 | over [art] past few years [art] | 10 |
|
| 3 | over [art] past few years [art] | 10 |
|
| 4 | over [art] past few years the | 9 |
|
