| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [num] year ['s] [noun sg] | 736 |
|
| 2 | [num] [prep] [num] year ['s] | 50 |
|
| 3 | [num] [prep] [num] year [noun sg] | 28 |
|
| 4 | [num] [num] year ['s] [noun sg] | 15 |
|
