| Value | Category | Cases | |
|---|---|---|---|
| 0 | 493 |
79.1%
|
|
| 1 | 17 |
2.7%
|
|
| 2 | 18 |
2.9%
|
|
| 3 | 13 |
2.1%
|
|
| 4 | 5 |
0.8%
|
|
| 5 | 8 |
1.3%
|
|
| 6 | 3 |
0.5%
|
|
| 7 | 5 |
0.8%
|
|
| 8 | 1 |
0.2%
|
|
| 10 | 7 |
1.1%
|
|
| 12 | 1 |
0.2%
|
|
| 14 | 8 |
1.3%
|
|
| 15 | 1 |
0.2%
|
|
| 20 | 11 |
1.8%
|
|
| 21 | 2 |
0.3%
|
|
| 28 | 3 |
0.5%
|
|
| 35 | 1 |
0.2%
|
|
| 40 | 3 |
0.5%
|
|
| 42 | 2 |
0.3%
|
|
| 49 | 1 |
0.2%
|
|
| 90 | 1 |
0.2%
|
|
| 777 | Don't know | 19 |
3%
|
| Sysmiss | 6603 |