| Value | Category | Cases | |
|---|---|---|---|
| 1 | regular | 342 |
22.9%
|
| 2 | fluctuating | 141 |
9.4%
|
| 3 | very irregular | 33 |
2.2%
|
| 55 | not applicable | 980 |
65.5%
|
| Sysmiss | 8079 |