| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | least [num] year ['s] experience | 6 |
|
| 2 | least [num] year [unc] experience | 6 |
|
| 3 | least [num] year ' experience | 5 |
|
| 4 | least [num] year ' experience | 5 |
|
| 5 | least [num] years [unc] experience | 5 |
|
