| Value | Category | Cases | |
|---|---|---|---|
| 0 | none | 140 |
77.3%
|
| 2 | 3 |
1.7%
|
|
| 3 | 3 |
1.7%
|
|
| 5 | 5 |
2.8%
|
|
| 6 | 1 |
0.6%
|
|
| 7 | 1 |
0.6%
|
|
| 8 | 2 |
1.1%
|
|
| 10 | 2 |
1.1%
|
|
| 12 | 1 |
0.6%
|
|
| 15 | 1 |
0.6%
|
|
| 17 | 2 |
1.1%
|
|
| 19 | 1 |
0.6%
|
|
| 20 | 3 |
1.7%
|
|
| 22 | 1 |
0.6%
|
|
| 25 | 1 |
0.6%
|
|
| 30 | 2 |
1.1%
|
|
| 40 | 4 |
2.2%
|
|
| 45 | 1 |
0.6%
|
|
| 48 | 1 |
0.6%
|
|
| 54 | 1 |
0.6%
|
|
| 70 | 1 |
0.6%
|
|
| 77 | refuse | 0 |
0%
|
| 80 | 2 |
1.1%
|
|
| 88 | dont know | 0 |
0%
|
| 99 | missing | 0 |
0%
|
| 170 | 1 |
0.6%
|
|
| 2500 | 1 |
0.6%
|
|
| Sysmiss | 4789 |