| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] over [art] three year period | 10 |
|
| 2 | [noun] over [art] three year period | 10 |
|
| 3 | [noun] over a three year period | 9 |
|
| 4 | [noun] over a three year period | 9 |
|
| 5 | [noun pl] over [art] three year period | 5 |
|
