| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 46 |
6.2%
|
| -7 | None of the above (spontaneous) | 152 |
20.5%
|
| 1 | Heating and cooling improvements | 63 |
8.5%
|
| 2 | More climate-friendly energy generation on site | 22 |
3%
|
| 3 | Machinery and equipment upgrades | 129 |
17.4%
|
| 4 | Energy management | 53 |
7.1%
|
| 5 | Waste minimization, recycling and waste management | 83 |
11.2%
|
| 6 | Air pollution control measures | 22 |
3%
|
| 7 | Water management | 23 |
3.1%
|
| 8 | Upgrade of vehicles | 53 |
7.1%
|
| 9 | Improvements to lighting system | 75 |
10.1%
|
| 10 | Other pollution control measures | 22 |
3%
|
| Sysmiss | 703 |