| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | rate of about [num] per cent | 13 |
|
| 2 | rate of about [num] per cent | 13 |
|
| 3 | rate of about [num] [unc] cent | 13 |
|
| 4 | rate of about [num] [unc] cent | 13 |
|
| 5 | rate of about [num] [no cls] cent | 13 |
|
| 6 | rate of about [num] [unc] cent | 12 |
|
