| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at around [n mass] [prep] | 53 |
|
| 2 | at around [n mass] per | 15 |
|
| 3 | at around [n mass] for | 8 |
|
| 4 | at around [n mass] to | 8 |
|
| 5 | at around [n mass] of | 5 |
|
| 6 | at around [n mass] in | 5 |
|
