| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [num ord] year | 2698 |
|
| 2 | [num ord] year [prep] | 2195 |
|
| 3 | [prep] [num ord] [prep] | 721 |
|
| 4 | [prep] year [prep] | 532 |
|
