Choices for answers

1. Not at all (value when calculating levels: -2.0)
2. Less than 3h (value when calculating levels: -2.0)
3. 3h - 6h (value when calculating levels: 0.0)
4. 6h - 2 days (value when calculating levels: 1.0)
5. More than 2 days (value when calculating levels: 2.0)