On the diagonal are four correlated clusters of varying strength: {1,2} with an of 0.9, {3,4,5,6} with an of 0.7, {7,8,9} with an of 0.6, and {10,11,12} with an of 0.8.

A mafi ƙasƙantar da shi ƙuƙwalwa a $ 4.50 kowace wata, zuwa sama da $ 24.50 kowace wata.
