| Characteristic | 2017 | 2018 | 2019 | 2020 | 2021 |
|---|---|---|---|---|---|
| - | - | - | - | - | - |
| - | - | - | - | - | - |
| - | - | - | - | - | - |
| - | - | - | - | - | - |
| - | - | - | - | - | - |
| - | - | - | - | - | - |
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Source
Source
Release date
September 2021
More information
Region
North America
Survey time period
2017 to 2021
Number of respondents
185 respondents
Special properties
Building service contractors/commercial cleaning providers
Supplementary notes
Survey method and exact date of survey were not provided by the source.
Multiple answers were possible.
Values prior to 2019 were taken from previous editions.
2017 baseline: 221 respondents
2018 baseline: 278 respondents.
2019 baseline: 497 respondents.
2020 baseline: 325 respondents.
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