,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,0.045479,0.954521,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000
A,0.000000,0.094301,0.867906,0.037793,0.000000,0.000000,0.000000,0.000000
BBB,0.000000,0.000000,0.105697,0.891307,0.000000,0.000000,0.002996,0.000000
BB,0.000000,0.000000,0.000000,0.149988,0.799976,0.045032,0.005004,0.000000
B,0.000000,0.000000,0.000000,0.000000,0.000000,0.637500,0.112500,0.250000
CCC,0.000000,0.000000,0.001000,0.002000,0.003000,0.020000,0.374000,0.600000
D,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,1.000000