| Value | Category | Cases | |
|---|---|---|---|
| 0 | No production | 1 |
2.6%
|
| 1 | 3 |
7.9%
|
|
| 2 | 5 |
13.2%
|
|
| 3 | 4 |
10.5%
|
|
| 4 | 3 |
7.9%
|
|
| 5 | 2 |
5.3%
|
|
| 6 | 1 |
2.6%
|
|
| 8 | 2 |
5.3%
|
|
| 10 | 5 |
13.2%
|
|
| 15 | 2 |
5.3%
|
|
| 20 | 2 |
5.3%
|
|
| 50 | 1 |
2.6%
|
|
| 60 | 2 |
5.3%
|
|
| 80 | 2 |
5.3%
|
|
| 98 | Don't know | 0 |
0%
|
| 100 | 1 |
2.6%
|
|
| 150 | 2 |
5.3%
|
|
| 9999 | Missing | 0 |
0%
|
| Sysmiss | 2242 |