| Value | Category | Cases | |
|---|---|---|---|
| 0 | No production | 0 |
0%
|
| 1 | 4 |
11.8%
|
|
| 2 | 4 |
11.8%
|
|
| 3 | 1 |
2.9%
|
|
| 4 | 1 |
2.9%
|
|
| 5 | 2 |
5.9%
|
|
| 6 | 1 |
2.9%
|
|
| 8 | 1 |
2.9%
|
|
| 10 | 4 |
11.8%
|
|
| 12 | 1 |
2.9%
|
|
| 15 | 2 |
5.9%
|
|
| 20 | 2 |
5.9%
|
|
| 25 | 1 |
2.9%
|
|
| 30 | 4 |
11.8%
|
|
| 50 | 2 |
5.9%
|
|
| 72 | 1 |
2.9%
|
|
| 75 | 1 |
2.9%
|
|
| 90 | 1 |
2.9%
|
|
| 98 | Don't know | 0 |
0%
|
| 750 | 1 |
2.9%
|
|
| 9999 | Missing | 0 |
0%
|
| Sysmiss | 2246 |