Explain one likely reason for Australia's balance of trade in goods and services over the period shown. Refer to the table and chart below in your answer.
Figure 3: Australia's net monthly balance of trade in goods and services, January 2019 to January 2023
| Year | Net Balance (AUD billions) |
|---|---|
| Jan 2019 | +4.5 |
| Jan 2020 | +5.8 |
| Jan 2021 | +9.1 |
| Jan 2022 | +11.5 |
| Jan 2023 | +12.4 |
