The United States' Gini coefficient increased from 41.0 in 2013 to 41.4 in 2016. Which of the following correctly interprets this increase?
A. The increase in the Gin coefficient reflects an increase in income for high-income earners.
B. The increase in the Gini coefficient reflects an increase in income inequality
C. The increase in the Gini coefficient reflects a decrease in income for low-income earners
D. The increase in the Gini coefficient reflects a decrease in income inequality.