| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 22 |
3.3%
|
| -7 | None of the above (spontaneous) | 47 |
7%
|
| 1 | Heating and cooling improvements | 30 |
4.5%
|
| 2 | More climate-friendly energy generation on site | 14 |
2.1%
|
| 3 | Machinery and equipment upgrades | 187 |
27.9%
|
| 4 | Energy management | 83 |
12.4%
|
| 5 | Waste minimization, recycling and waste management | 106 |
15.8%
|
| 6 | Air pollution control measures | 23 |
3.4%
|
| 7 | Water management | 17 |
2.5%
|
| 8 | Upgrade of vehicles | 53 |
7.9%
|
| 9 | Improvements to lighting system | 58 |
8.6%
|
| 10 | Other pollution control measures | 31 |
4.6%
|
| Sysmiss | 652 |