| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | by [det] [noun] | 10615 |
|
| 2 | [prep] [det] years | 3952 |
|
| 3 | [prep] [det] years | 3952 |
|
| 4 | by [det] [noun pl] | 3570 |
|
| 5 | by [adj] years | 180 |
|
| 6 | by [det] year | 37 |
|
| 7 | by [det] years | 24 |
|
