| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for a [num] per | 77 |
|
| 2 | for a [num] per | 77 |
|
| 3 | for a 30 per | 10 |
|
| 4 | for a 50 per | 7 |
|
| 5 | for a 40 per | 7 |
|
