| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] of the previous [num] years | 12 |
|
| 2 | [noun pl] over the previous [num] years | 10 |
|
| 3 | [noun pl] in the previous [num] years | 9 |
|
| 4 | [noun pl] [prep] the previous five years | 7 |
|
| 5 | [noun pl] [prep] the previous two years | 6 |
|
| 6 | [noun pl] during the previous [num] years | 6 |
|
| 7 | [noun pl] [prep] the previous three years | 6 |
|
