| Value | Category | Cases | |
|---|---|---|---|
| 0 | none | 289 |
6.9%
|
| 1 | 354 |
8.4%
|
|
| 2 | 107 |
2.5%
|
|
| 3 | 23 |
0.5%
|
|
| 4 | 8 |
0.2%
|
|
| 5 | 2 |
0%
|
|
| 6 | 1 |
0%
|
|
| 99 | not applicable | 3330 |
79.3%
|
| 9999995 | missing:impute | 87 |
2.1%
|
| Sysmiss | 2402 |