| Year | Labour productivity index (2014 = 100) |
|---|---|
| 2014 | 100 |
| 2015 | 103 |
| 2016 | 105 |
| 2017 | 108 |
| 2018 | 111 |
| 2019 | 113 |
| 2020 | 106 |
| 2021 | 112 |
Briefly explain one possible reason for the overall upward trend in Poland's labour productivity over the period 2014 to 2019 (prior to the 2020 shock).
