Valeur | Catégorie | le cas | |
---|---|---|---|
0 | Never | 26808 |
48.2%
|
1 | Once or twice | 22516 |
40.4%
|
2 | More Often | 5977 |
10.7%
|
9 | 366 |
0.7%
|
|
Sysmiss | 511 |