| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] over the next 15 [noun pl] | 12 |
|
| 2 | [noun] over the next 15 year | 10 |
|
| 3 | [noun] over the next 15 years | 10 |
|
| 4 | [noun pl] over the next 15 [noun] | 8 |
|
