| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] of up to | 1293 |
|
| 2 | rate [prep] up to | 30 |
|
| 3 | rate of [adv prt] to | 29 |
|
| 4 | rate of up to | 29 |
|
| 5 | rate of up [prep] | 29 |
|
| 6 | rate of [adv] to | 29 |
|
