| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv prt] to [noun] per | 11 |
|
| 2 | up to [noun] per | 11 |
|
| 3 | [adv prt] to [noun] per | 11 |
|
| 4 | [adv prt] to [n mass] per | 10 |
|
