Changes compared to previous years
Compare group: Year 2021 (147 pcs) | Year 2020 (110 pcs) | Year 2019 (425 pcs) | Year 2018 (475 pcs) | Year 2017 (673 pcs) | Year 2016 (1 pcs)
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No statistically significant differences between the respondents. |
No statistically significant differences between the respondents. |
*) The amount of stars implies the statistical significance