,AAA,AA,A,BBB,BB,B,D
AAA,0.999425,0.000000,0.000000,0.000000,0.000000,0.000000,0.000575
AA,0.099883,0.849197,0.050006,0.000000,0.000000,0.000000,0.000914
A,0.000000,0.079839,0.878563,0.039919,0.000000,0.000000,0.001679
BBB,0.000000,0.000000,0.171104,0.779252,0.038009,0.000000,0.011634
BB,0.000000,0.000000,0.000000,0.199970,0.650015,0.049955,0.100060
B,0.000000,0.000000,0.000000,0.071474,0.000000,0.714231,0.214295
D,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,1.000000