| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | under 10 per | 14 |
|
| 2 | under 30 per | 9 |
|
| 3 | under 50 per | 8 |
|
| 4 | under 5 per | 6 |
|
| 5 | under 1 per | 5 |
|
| 6 | under 2 per | 5 |
|
| 7 | under 15 per | 5 |
|
