| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -7 | None of the above (spontaneous) | 1 |
0.4%
|
| 1 | Heating and cooling improvements | 43 |
16.8%
|
| 2 | More climate-friendly energy generation on site | 15 |
5.9%
|
| 3 | Machinery and equipment upgrades | 45 |
17.6%
|
| 4 | Energy management | 11 |
4.3%
|
| 5 | Waste minimization, recycling and waste management | 82 |
32%
|
| 6 | Air pollution control measures | 5 |
2%
|
| 7 | Water management | 2 |
0.8%
|
| 8 | Upgrade of vehicles | 20 |
7.8%
|
| 9 | Improvements to lighting system | 30 |
11.7%
|
| 10 | Other pollution control measures | 2 |
0.8%
|
| Sysmiss | 148 |