| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 21 |
6.2%
|
| -7 | None of the above (spontaneous) | 43 |
12.6%
|
| 1 | Heating and cooling improvements | 63 |
18.5%
|
| 2 | More climate-friendly energy generation on site | 3 |
0.9%
|
| 3 | Machinery and equipment upgrades | 81 |
23.8%
|
| 4 | Energy management | 9 |
2.6%
|
| 5 | Waste minimization, recycling and waste management | 24 |
7.1%
|
| 6 | Air pollution control measures | 10 |
2.9%
|
| 7 | Water management | 4 |
1.2%
|
| 8 | Upgrade of vehicles | 46 |
13.5%
|
| 9 | Improvements to lighting system | 33 |
9.7%
|
| 10 | Other pollution control measures | 3 |
0.9%
|
| Sysmiss | 241 |