Study Figure 2, which shows employment shares in rural Vietnam from 2010 to 2020.
Figure 2: Percentage of employment in rural Vietnam, 2010–2020
| Year | Agriculture (%) | Non-agricultural (%) |
|---|---|---|
| 2010 | 49 | 51 |
| 2015 | 44 | 56 |
| 2020 | 37 | 63 |
Suggest one reason for one of the trends shown in Figure 2.
