| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 11 |
3.4%
|
| -7 | None of the above (spontaneous) | 4 |
1.2%
|
| 1 | Heating and cooling improvements | 57 |
17.4%
|
| 2 | More climate-friendly energy generation on site | 13 |
4%
|
| 3 | Machinery and equipment upgrades | 124 |
37.9%
|
| 4 | Energy management | 81 |
24.8%
|
| 5 | Waste minimization, recycling and waste management | 4 |
1.2%
|
| 6 | Air pollution control measures | 1 |
0.3%
|
| 7 | Water management | 5 |
1.5%
|
| 8 | Upgrade of vehicles | 8 |
2.4%
|
| 9 | Improvements to lighting system | 19 |
5.8%
|
| 10 | Other pollution control measures | 0 |
0%
|
| Sysmiss | 274 |