The Chart below shows the data of National Income and Population figures for the period 1984 - 85 to 1989 - 90. Answer the question below based on the figures given in the chart.
Which year per capita income was lowest during the period 1984 - 85 to 1989 - 90?
1
1989 - 90
2
1984 - 85
3
1988 - 89
4
1987 - 88