| Characteristic | 2016 | 2017 |
|---|---|---|
| - | - | - |
| - | - | - |
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Source
Source
Release date
December 2018
More information
Region
North America
Survey time period
2016 and 2017
Number of respondents
278 respondents
Special properties
building service contractors/commercial cleaning providers.
Supplementary notes
* Under one year of employment.
** More than one year of employment.
Survey method and date of survey not provided by the source.
2016 values taken from 2017 survey.
2016 baseline: 236 respondents.
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