| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 38 |
4.1%
|
| -7 | None of the above (spontaneous) | 87 |
9.4%
|
| 1 | Heating and cooling improvements | 107 |
11.5%
|
| 2 | More climate-friendly energy generation on site | 35 |
3.8%
|
| 3 | Machinery and equipment upgrades | 238 |
25.6%
|
| 4 | Energy management | 112 |
12%
|
| 5 | Waste minimization, recycling and waste management | 97 |
10.4%
|
| 6 | Air pollution control measures | 40 |
4.3%
|
| 7 | Water management | 21 |
2.3%
|
| 8 | Upgrade of vehicles | 37 |
4%
|
| 9 | Improvements to lighting system | 103 |
11.1%
|
| 10 | Other pollution control measures | 15 |
1.6%
|
| Sysmiss | 407 |