| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | on [noun] [num] [no cls] [no cls] | 20 |
|
| 2 | on [noun sg] [num] [unc] [no cls] | 17 |
|
| 3 | on [noun] [num] per [no cls] | 16 |
|
| 4 | on average [num] [unc] [no cls] | 16 |
|
| 5 | on [noun] [num] per [no cls] | 16 |
|
| 6 | on average [num] [unc] [no cls] | 16 |
|
| 7 | on [noun] [num] [unc] cent | 16 |
|
