| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to a [adj] per cent reduction | 6 |
|
| 2 | to a [adj] per cent reduction | 6 |
|
| 3 | to a [num] per cent reduction | 6 |
|
| 4 | to a [adj] per cent reduction | 6 |
|
