| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 20 |
2.6%
|
| -7 | None of the above (spontaneous) | 5 |
0.6%
|
| 1 | Heating and cooling improvements | 27 |
3.5%
|
| 2 | More climate-friendly energy generation on site | 36 |
4.7%
|
| 3 | Machinery and equipment upgrades | 152 |
19.7%
|
| 4 | Energy management | 21 |
2.7%
|
| 5 | Waste minimization, recycling and waste management | 353 |
45.7%
|
| 6 | Air pollution control measures | 31 |
4%
|
| 7 | Water management | 12 |
1.6%
|
| 8 | Upgrade of vehicles | 35 |
4.5%
|
| 9 | Improvements to lighting system | 67 |
8.7%
|
| 10 | Other pollution control measures | 14 |
1.8%
|
| Sysmiss | 1296 |