How can I answer the following question please?

On the following scatter plots, the 1960 real per capita GDP is on the x-axis and the y-axis represents the average economic growth rate between 1960 and 2017. Which one shows the strongest evidence in favour of convergence? O Convergence 3.5 4.0 4.5 5.0 5.5 60 6.5 1960-2017 growth (percent) 10 15 20 1960 GDP (constant dollars per person) O Convergence 1960-2017 growth (percent) 10 15 20 1960 GDP (constant dollars per person) O Convergence 2.5 2.0 1960-2017 growth (percent) 1.5 10 10 15 20 1960 GDP (constant dollars per person) O Convergence 6.0 5.5 1960-2017 growth (percent) 5.0 4.5 10 15 an 1960 GDP (constant dollars per person)