| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] over a [num] year period | 17 |
|
| 2 | [noun pl] over a [num] year [noun] | 17 |
|
| 3 | [noun pl] over a [num] year [noun sg] | 17 |
|
| 4 | [noun pl] over a [num] year period | 17 |
|
| 5 | [adj] [noun pl] over a [num] year | 9 |
|
| 6 | [adj] [noun pl] over a [num] year | 5 |
|
