| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | announcement [prep] a [num] per cent | 6 |
|
| 2 | announcement [prep] a [num] per [unc] | 6 |
|
| 3 | announcement [prep] a [num] per cent | 6 |
|
| 4 | announcement [prep] a [num] per [no cls] | 6 |
|
