| Value | Category | Cases | |
|---|---|---|---|
| 0 | No production | 2 |
3.7%
|
| 1 | 11 |
20.4%
|
|
| 2 | 5 |
9.3%
|
|
| 3 | 3 |
5.6%
|
|
| 4 | 1 |
1.9%
|
|
| 5 | 5 |
9.3%
|
|
| 7 | 2 |
3.7%
|
|
| 8 | 2 |
3.7%
|
|
| 10 | 6 |
11.1%
|
|
| 12 | 1 |
1.9%
|
|
| 15 | 2 |
3.7%
|
|
| 20 | 1 |
1.9%
|
|
| 25 | 2 |
3.7%
|
|
| 30 | 3 |
5.6%
|
|
| 35 | 2 |
3.7%
|
|
| 50 | 1 |
1.9%
|
|
| 60 | 3 |
5.6%
|
|
| 98 | Don't know | 0 |
0%
|
| 100 | 1 |
1.9%
|
|
| 200 | 1 |
1.9%
|
|
| 9999 | Missing | 0 |
0%
|
| Sysmiss | 2226 |