,AAA,AA,A,BBB,BB,B,D
AAA,0.999395,0.000000,0.000000,0.000000,0.000000,0.000000,0.000605
AA,0.095124,0.856454,0.047619,0.000000,0.000000,0.000000,0.000803
A,0.000000,0.057622,0.863899,0.057622,0.000000,0.019243,0.001614
BBB,0.000000,0.000000,0.094228,0.894996,0.000000,0.000000,0.010776
BB,0.000000,0.000000,0.000000,0.057169,0.799974,0.057169,0.085688
B,0.000000,0.000000,0.000000,0.000000,0.000000,0.916667,0.083333
D,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,1.000000