With reference to the data below, explain one likely effect of the net migration trend on the supply of labour and employment in New Zealand.
| Year | Arrivals (Thousands) | Departures (Thousands) | Net migration (Thousands) |
|---|---|---|---|
| 2017 | 130 | 75 | 55 |
| 2018 | 141 | 78 | 63 |
| 2019 | 155 | 80 | 75 |
| 2020 | 120 | 70 | 50 |
| 2021 | 48 | 60 | -12 |
| 2022 | 111 | 70 | 41 |
| 2023 | 212 | 85 | 127 |
