| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 9 |
3.3%
|
| -7 | None of the above (spontaneous) | 13 |
4.8%
|
| 1 | Heating and cooling improvements | 62 |
23%
|
| 2 | More climate-friendly energy generation on site | 5 |
1.9%
|
| 3 | Machinery and equipment upgrades | 64 |
23.8%
|
| 4 | Energy management | 11 |
4.1%
|
| 5 | Waste minimization, recycling and waste management | 40 |
14.9%
|
| 6 | Air pollution control measures | 6 |
2.2%
|
| 7 | Water management | 4 |
1.5%
|
| 8 | Upgrade of vehicles | 30 |
11.2%
|
| 9 | Improvements to lighting system | 18 |
6.7%
|
| 10 | Other pollution control measures | 7 |
2.6%
|
| Sysmiss | 108 |