,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,0.058867,0.941133,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000
A,0.000000,0.150651,0.849349,0.000000,0.000000,0.000000,0.000000,0.000000
BBB,0.000000,0.000000,0.063536,0.887313,0.015884,0.030268,0.003000,0.000000
BB,0.000000,0.000000,0.099467,0.199053,0.696505,0.000000,0.004975,0.000000
B,0.000000,0.000000,0.000000,0.000000,0.000000,0.850000,0.150000,0.000000
CCC,0.000000,0.000000,0.001000,0.002000,0.003000,0.020000,0.974000,0.000000
D,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,1.000000