| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [vb pp] an increase | 20 |
|
| 2 | has [vb pp] an increase | 19 |
|
| 3 | have seen an increase | 11 |
|
| 4 | have shown an increase | 9 |
|
| 5 | had [vb pp] an increase | 9 |
|
| 6 | have had an increase | 5 |
|
| 7 | 've [vb pp] an increase | 5 |
|
