| Value | Category | Cases | |
|---|---|---|---|
| 0 | 637 |
83.7%
|
|
| 1 | 41 |
5.4%
|
|
| 2 | 31 |
4.1%
|
|
| 3 | 9 |
1.2%
|
|
| 4 | 8 |
1.1%
|
|
| 5 | 3 |
0.4%
|
|
| 6 | 2 |
0.3%
|
|
| 7 | 2 |
0.3%
|
|
| 10 | 3 |
0.4%
|
|
| 11 | 1 |
0.1%
|
|
| 14 | 2 |
0.3%
|
|
| 15 | 4 |
0.5%
|
|
| 18 | 1 |
0.1%
|
|
| 20 | 4 |
0.5%
|
|
| 24 | 1 |
0.1%
|
|
| 25 | 1 |
0.1%
|
|
| 998 | 7 |
0.9%
|
|
| 999 | 4 |
0.5%
|
|
| Sysmiss | 241 |