| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] than the rate of | 23 |
|
| 2 | [det] than the rate of | 19 |
|
| 3 | more than the rate of | 11 |
|
| 4 | more than the rate of | 11 |
|
| 5 | less than the rate of | 8 |
|
| 6 | less than the rate of | 8 |
|
