IP17 environmental sensor duration
Datafile
| Value label | Value | Absolute frequency | Relative frequency |
|---|---|---|---|
| missing | -9 | 2 | 0.07% |
| Up to 6 months | 1 | 966 | 32.96% |
| Up to 12 months | 2 | 491 | 16.75% |
| Up to a year | 3 | 499 | 17.02% |
| Up to 24 months | 4 | 489 | 16.68% |
| Up to 2 years | 5 | 484 | 16.51% |
| Total | 2931 | 100.0% |
