| Value | Category | Cases | |
|---|---|---|---|
| 0 | none | 113 |
27.5%
|
| 1 | 58 |
14.1%
|
|
| 2 | 54 |
13.1%
|
|
| 3 | 31 |
7.5%
|
|
| 4 | 26 |
6.3%
|
|
| 5 | 43 |
10.5%
|
|
| 6 | 11 |
2.7%
|
|
| 7 | 8 |
1.9%
|
|
| 8 | 6 |
1.5%
|
|
| 10 | 22 |
5.4%
|
|
| 11 | 1 |
0.2%
|
|
| 12 | 1 |
0.2%
|
|
| 13 | 1 |
0.2%
|
|
| 15 | 9 |
2.2%
|
|
| 16 | 1 |
0.2%
|
|
| 17 | 1 |
0.2%
|
|
| 20 | 7 |
1.7%
|
|
| 25 | 1 |
0.2%
|
|
| 30 | 3 |
0.7%
|
|
| 40 | 1 |
0.2%
|
|
| 60 | 1 |
0.2%
|
|
| 77 | refuse | 0 |
0%
|
| 88 | dont know | 0 |
0%
|
| 99 | missing | 0 |
0%
|
| 100 | 1 |
0.2%
|
|
| 200 | 1 |
0.2%
|
|
| 250 | 1 |
0.2%
|
|
| 500 | 9 |
2.2%
|
|
| Sysmiss | 4559 |