| Value | Category | Cases | |
|---|---|---|---|
| 1 | The top structure is old and broken | 1803 |
67.7%
|
| 2 | Is it full and overflowing | 418 |
15.7%
|
| 3 | We haveto share with others | 49 |
1.8%
|
| 4 | It is too expensive to maintain | 261 |
9.8%
|
| 5 | Other | 134 |
5%
|
| Sysmiss | 9548 |