| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | in january 1990 | 224 |
|
| 2 | in 1990 [pers pn] | 66 |
|
| 3 | in january [pers pn] | 44 |
|
| 4 | january 1990 [pers pn] | 10 |
|
