,AAA,AA,A,BBB,BB,B,CCC,D
AAA,1.000000,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000
AA,0.095200,0.857143,0.047657,0.000000,0.000000,0.000000,0.000000,0.000000
A,0.000000,0.057715,0.865296,0.057715,0.000000,0.019274,0.000000,0.000000
BBB,0.000000,0.000000,0.095112,0.901892,0.000000,0.000000,0.002996,0.000000
BB,0.000000,0.000000,0.000000,0.057169,0.799974,0.051452,0.005717,0.085688
B,0.000000,0.000000,0.000000,0.000000,0.000000,0.779167,0.137500,0.083333
CCC,0.000000,0.000000,0.001000,0.002000,0.003000,0.020000,0.765667,0.208333
D,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,1.000000