| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 16 |
5.5%
|
| -7 | None of the above (spontaneous) | 15 |
5.2%
|
| 1 | Heating and cooling improvements | 74 |
25.4%
|
| 2 | More climate-friendly energy generation on site | 20 |
6.9%
|
| 3 | Machinery and equipment upgrades | 55 |
18.9%
|
| 4 | Energy management | 52 |
17.9%
|
| 5 | Waste minimization, recycling and waste management | 19 |
6.5%
|
| 6 | Air pollution control measures | 6 |
2.1%
|
| 7 | Water management | 3 |
1%
|
| 8 | Upgrade of vehicles | 9 |
3.1%
|
| 9 | Improvements to lighting system | 16 |
5.5%
|
| 10 | Other pollution control measures | 6 |
2.1%
|
| Sysmiss | 805 |