,AAA,AA,A,BBB,BB,B,CCC,D
AAA,0.969200,0.030800,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000
AA,0.013008,0.980487,0.006504,0.000000,0.000000,0.000000,0.000000,0.000000
A,0.000000,0.000000,0.991400,0.000000,0.000000,0.008600,0.000000,0.000000
BBB,0.000000,0.000000,0.055539,0.941465,0.000000,0.000000,0.002996,0.000000
BB,0.000000,0.000000,0.000000,0.000000,0.878839,0.054522,0.006058,0.060580
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