| Value | Category | Cases | |
|---|---|---|---|
| 1 | annual | 3 |
0.2%
|
| 2 | day | 15 |
0.8%
|
| 3 | irreg | 573 |
32.2%
|
| 4 | mon | 48 |
2.7%
|
| 5 | season | 155 |
8.7%
|
| 6 | week | 39 |
2.2%
|
| Missing value | 946 |
53.2%
|