| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] [adv] [adj] per | 630 |
|
| 2 | [noun sg] [prep] [adv] [adj] per | 492 |
|
| 3 | rate [prep] [adv] [adj] per | 55 |
|
| 4 | rate [prep] [adv] [adj] [unc] | 51 |
|
