| Year | Trade in goods surplus ($bn) | Exchange rate (NOK per US$) |
|---|---|---|
| 2020 | 12.5 | ~9.4 |
| 2021 | 54.8 | ~8.6 |
| 2022 | 98.2 | ~9.6 |
| 2023 | 62.4 | ~10.6 |
Using Fig. 1: Explain what effect the change in Norway's trade in goods surplus between 2020 and 2021 would have been expected to have had on the country's exchange rate.