| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | of a three year | 17 |
|
| 2 | of a two year | 10 |
|
| 3 | of a five year | 7 |
|
| 4 | of a four year | 6 |
|
| 5 | of a seven year | 5 |
|
| 6 | of a fifteen year | 5 |
|
