| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at the [adj] rate as | 38 |
|
| 2 | at the [det] rate [subord] | 35 |
|
| 3 | at the same rate [subord] | 35 |
|
| 4 | at the same rate [subord] | 35 |
|
| 5 | at the [adj] rate [subord] | 6 |
|
| 6 | at the official rate [subord] | 5 |
|
| 7 | at the official rate [subord] | 5 |
|
