| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Public sys. | 1120 | 1063 |
55.8%
|
| 2 | Deep Hole | 232 | 240 |
12.6%
|
| 3 | Tranch | 529 | 564 |
29.6%
|
| 4 | Bucket or barrel | 14 | 13 |
0.7%
|
| 5 | Other | 15 | 16 |
0.9%
|
| 8 | 10 | 8 |
0.4%
|
|
| 9 | 2 | 2 |
0.1%
|
|
| 88 | N.A. | 198 | 206 | |
| 98 | D.K. | 2 | 4 | |
| 99 | 6 | 7 | ||
| Sysmiss | 195 | 199 |