| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | population over [art] age [prep] | 7 |
|
| 2 | population over [art] age [prep] | 7 |
|
| 3 | population over [art] age of | 6 |
|
| 4 | population over [art] age of | 6 |
|
