| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 15 |
8.9%
|
| -7 | None of the above (spontaneous) | 13 |
7.7%
|
| 1 | Heating and cooling improvements | 29 |
17.3%
|
| 2 | More climate-friendly energy generation on site | 3 |
1.8%
|
| 3 | Machinery and equipment upgrades | 47 |
28%
|
| 4 | Energy management | 14 |
8.3%
|
| 5 | Waste minimization, recycling and waste management | 10 |
6%
|
| 6 | Air pollution control measures | 9 |
5.4%
|
| 7 | Water management | 4 |
2.4%
|
| 8 | Upgrade of vehicles | 5 |
3%
|
| 9 | Improvements to lighting system | 16 |
9.5%
|
| 10 | Other pollution control measures | 3 |
1.8%
|
| Sysmiss | 184 |