| Value | Category | Cases | |
|---|---|---|---|
| 1 | annual | 2 |
0.1%
|
| 2 | day | 37 |
2.1%
|
| 3 | irreg | 20 |
1.1%
|
| 4 | mon | 105 |
5.9%
|
| 5 | season | 8 |
0.4%
|
| 6 | week | 119 |
6.7%
|
| Missing value | 1488 |
83.6%
|