| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [n mass] [num] over a [adj] period | 5 |
|
| 2 | [noun] [num] over a [adj] period | 5 |
|
| 3 | [num] [noun] over a [adj] period | 12 |
|
| 4 | [num] [noun pl] over a [adj] period | 8 |
|
