| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] at around [noun] | 134 |
|
| 2 | [vb pp] at around [noun] | 51 |
|
| 3 | estimated at [adv] [noun] | 33 |
|
| 4 | estimated [prep] around [noun] | 11 |
|
| 5 | estimate at around [noun] | 11 |
|
