| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1 | calendar | 307 |
29.3%
|
| 2 | body temperature | 8 |
0.8%
|
| 3 | cervical mucus | 66 |
6.3%
|
| 4 | body temp. & mucus | 1 |
0.1%
|
| 5 | no specific system | 647 |
61.8%
|
| 6 | other | 18 |
1.7%
|
| Sysmiss | 21098 |