| Value | Category | Cases | |
|---|---|---|---|
| -9 | NIU (not in universe) | 14 |
0.1%
|
| 0 | 18578 |
97.4%
|
|
| 1 | 183 |
1%
|
|
| 2 | 175 |
0.9%
|
|
| 3 | 63 |
0.3%
|
|
| 4 | 23 |
0.1%
|
|
| 5 | 17 |
0.1%
|
|
| 6 | 4 |
0%
|
|
| 7 | 20 |
0.1%
|
|
| 8 | 3 |
0%
|
|
| 9999995 | missing:impute | 0 |
0%
|
