| Value | Category | Cases | |
|---|---|---|---|
| 1 | Public supply | 0 |
0%
|
| 2 | Private source, external | 1 |
100%
|
| 3 | Private generator (own) | 0 |
0%
|
| 4 | Combination of private and public | 0 |
0%
|
| 99 | Missing | 0 |
0%
|
| Sysmiss | 1724 |