| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | reduction in numbers | 17 |
|
| 2 | reduction in costs | 15 |
|
| 3 | reduction in casualties | 13 |
|
| 4 | reduction in deaths | 10 |
|
| 5 | reduction in profits | 9 |
|
| 6 | reduction in hours | 7 |
|
| 7 | reduction in emissions | 7 |
|
