| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
0.6%
|
| -7 | None of the above (spontaneous) | 4 |
1.2%
|
| 1 | Heating and cooling improvements | 33 |
10.1%
|
| 2 | More climate-friendly energy generation on site | 12 |
3.7%
|
| 3 | Machinery and equipment upgrades | 66 |
20.2%
|
| 4 | Energy management | 12 |
3.7%
|
| 5 | Waste minimization, recycling and waste management | 93 |
28.5%
|
| 6 | Air pollution control measures | 10 |
3.1%
|
| 7 | Water management | 8 |
2.5%
|
| 8 | Upgrade of vehicles | 51 |
15.6%
|
| 9 | Improvements to lighting system | 31 |
9.5%
|
| 10 | Other pollution control measures | 4 |
1.2%
|
| Sysmiss | 103 |