| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 15 |
3.4%
|
| -7 | None of the above (spontaneous) | 8 |
1.8%
|
| 1 | Heating and cooling improvements | 70 |
16%
|
| 2 | More climate-friendly energy generation on site | 14 |
3.2%
|
| 3 | Machinery and equipment upgrades | 126 |
28.8%
|
| 4 | Energy management | 38 |
8.7%
|
| 5 | Waste minimization, recycling and waste management | 77 |
17.6%
|
| 6 | Air pollution control measures | 17 |
3.9%
|
| 7 | Water management | 7 |
1.6%
|
| 8 | Upgrade of vehicles | 48 |
11%
|
| 9 | Improvements to lighting system | 11 |
2.5%
|
| 10 | Other pollution control measures | 6 |
1.4%
|
| Sysmiss | 335 |