| Value | Category | Cases | |
|---|---|---|---|
| 1 | regular | 137 |
9.1%
|
| 2 | fluctuating | 1053 |
69.9%
|
| 3 | very irregular | 184 |
12.2%
|
| 55 | not applicable | 133 |
8.8%
|
| Sysmiss | 14 |