| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | development over the [num ord] [num] [noun pl] | 9 |
|
| 2 | development over the [num ord] [num] year | 9 |
|
| 3 | development over the [num ord] [num] years | 9 |
|
| 4 | development over the [num ord] [num] [noun] | 8 |
|
| 5 | development over the last [num] [noun] | 6 |
|
