| Year | Number of working days lost |
|---|---|
| 2017 | 0.05 |
| 2018 | 0.06 |
| 2019 | 0.00 |
| 2020 | 6.81^ |
| 2021 | 0.04 |
| * Salaried employees and wage earners include employees and unemployed persons having previous jobs. ^ The increase was attributed to an industrial action involving a large number of employees. |
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