| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at around [num] [unc] [no cls] | 44 |
|
| 2 | at around [num] [unc] [no cls] | 44 |
|
| 3 | at around [num] [no cls] [no cls] | 44 |
|
| 4 | at around [num] per [no cls] | 43 |
|
| 5 | at around [num] [unc] cent | 43 |
|
| 6 | at around [num] per [no cls] | 43 |
|
| 7 | at around 20 [unc] [no cls] | 6 |
|
