| Value | Category | Cases | |
|---|---|---|---|
| 1 | Purchase | 8947 |
42.6%
|
| 2 | Wage | 22 |
0.1%
|
| 3 | Self production | 22 |
0.1%
|
| 4 | Gift | 45 |
0.2%
|
| 97 | Refusal | 11907 |
56.6%
|
| 99 | Not applicable | 42 |
0.2%
|
| 95 | Missing | 39 |
0.2%
|