| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at least [adj] per [no cls] | 267 |
|
| 2 | at least [num] per [no cls] | 267 |
|
| 3 | at [adv] 30 per [no cls] | 17 |
|
| 4 | at [adv] 30 per [no cls] | 17 |
|
| 5 | at least 30 [no cls] [no cls] | 10 |
|
| 6 | at least 30 per [unc] | 10 |
|
| 7 | [prep] least 30 per [no cls] | 10 |
|
| 8 | at least 30 per [no cls] | 10 |
|
| 9 | at least 30 per [no cls] | 10 |
|
| 10 | at least 30 [unc] [no cls] | 10 |
|
| 11 | at least 30 per [no cls] | 10 |
|
