| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] increased [prep] [art] years | 9 |
|
| 2 | have increased [prep] [art] years | 9 |
|
| 3 | has increased [prep] [art] years | 6 |
|
| 4 | [vb -s] increased [prep] [art] years | 6 |
|
