| Value | Category | Cases | |
|---|---|---|---|
| 1 | annual | 4 |
0.2%
|
| 2 | day | 12 |
0.7%
|
| 3 | irreg | 553 |
31.1%
|
| 4 | mon | 47 |
2.6%
|
| 5 | season | 139 |
7.8%
|
| 6 | week | 39 |
2.2%
|
| Missing value | 985 |
55.4%
|