| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | than [art] [adj] rate of | 16 |
|
| 2 | than [art] [adj] rate of | 16 |
|
| 3 | than the [adj] rate of | 15 |
|
| 4 | than the [adj] rate of | 15 |
|
