The table below shows nominal GDP (Gross Domestic Product) for an economy, expressed as index numbers.
| Year | Nominal GDP (2019=1002019 = 1002019=100) |
|---|---|
| 2017 | 91 |
| 2018 | 96 |
| 2019 | 100 |
| 2020 | 103 |
| 2021 | 109 |
Between 2017 and 2021, there must have been an increase in
aggregate demand.
the level of employment.
the rate of inflation.
the government's budget surplus.