| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at the [noun sg] rate | 34 |
|
| 2 | at a [noun sg] rate | 21 |
|
| 3 | at an [noun sg] rate | 18 |
|
| 4 | at [art] interest rate | 15 |
|
| 5 | at [art] exchange rate | 9 |
|
| 6 | at [art] discount rate | 6 |
|
| 7 | at [art] market rate | 5 |
|
