| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to 10 per [unc] | 105 |
|
| 2 | about 10 per [unc] | 85 |
|
| 3 | to about 10 [unc] | 5 |
|
| 4 | to about 10 per | 5 |
|
