| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 210 |
18%
|
| 1 | 310 |
26.6%
|
|
| 2 | 273 |
23.4%
|
|
| 3 | 181 |
15.5%
|
|
| 4 | 115 |
9.9%
|
|
| 5 | 37 |
3.2%
|
|
| 6 | 17 |
1.5%
|
|
| 7 | 7 |
0.6%
|
|
| 8 | 4 |
0.3%
|
|
| 9 | 1 |
0.1%
|
|
| 10 | 7 |
0.6%
|
|
| 12 | 3 |
0.3%
|
|
| Sysmiss | 25 |