| Value | Category | Cases | |
|---|---|---|---|
| 1 | 999 |
0.2%
|
|
| 2 | 500 |
0.1%
|
|
| 3 | 113 |
0%
|
|
| 4 | 42 |
0%
|
|
| 5 | 10 |
0%
|
|
| 6 | 7 |
0%
|
|
| 7 | 1 |
0%
|
|
| 8 | 6 |
0%
|
|
| 9 | 2 |
0%
|
|
| 10 | 13 |
0%
|
|
| 12 | 3 |
0%
|
|
| 14 | 1 |
0%
|
|
| 15 | 5 |
0%
|
|
| 16 | 1 |
0%
|
|
| 17 | 1 |
0%
|
|
| 18 | 1 |
0%
|
|
| 19 | 1 |
0%
|
|
| 20 | 5 |
0%
|
|
| 996 | other | 0 |
0%
|
| 997 | refused | 0 |
0%
|
| 998 | don't know | 6 |
0%
|
| 999 | NIU (not in universe) | 437602 |
98.8%
|
| 9999995 | missing:impute | 3818 |
0.9%
|
