| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] least 50% | 20 |
|
| 2 | [prep] least 50% | 20 |
|
| 3 | at least 50% | 20 |
|
| 4 | at least 50% | 20 |
|
| 5 | least 50% [prep] | 13 |
|
| 6 | least 50% [prep] | 13 |
|
| 7 | least 50% of | 11 |
|
| 8 | least 50% of | 11 |
|
