| value | category | cases | |
|---|---|---|---|
| 1 | Month and year | 21098 |
91%
|
| 5 | Year - a, m imp | 1091 |
4.7%
|
| 7 | Month - a, y imp | 847 |
3.7%
|
| 8 | None - all imp | 161 |
0.7%
|