| Value | Category | Cases | |
|---|---|---|---|
| 0 | 8 |
6.9%
|
|
| 1 | 33 |
28.4%
|
|
| 2 | 8 |
6.9%
|
|
| 3 | 4 |
3.4%
|
|
| 4 | 1 |
0.9%
|
|
| 5 | 2 |
1.7%
|
|
| 6 | 2 |
1.7%
|
|
| 9 | 1 |
0.9%
|
|
| 20 | 2 |
1.7%
|
|
| 888 | Uses product, but not every week | 47 |
40.5%
|
| 999 | Refused | 8 |
6.9%
|
| Sysmiss | 16846 |