| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] system for | 699 |
|
| 2 | [noun sg] system for | 654 |
|
| 3 | quota system [prep] | 14 |
|
| 4 | quota system [prep] | 14 |
|
| 5 | quota [noun] for | 10 |
|
| 6 | quota system for | 6 |
|
| 7 | quota system for | 6 |
|
