,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,0.000000,0.101660,0.864454,0.033887,0.000000,0.000000,0.000000,0.000000
BBB,0.000000,0.000000,0.098239,0.882412,0.016353,0.000000,0.002996,0.000000
BB,0.000000,0.000000,0.000000,0.142094,0.639698,0.000000,0.004975,0.213233
B,0.000000,0.000000,0.000000,0.076959,0.076959,0.588439,0.103842,0.153802
CCC,0.000000,0.000000,0.001000,0.002000,0.003000,0.061567,0.547929,0.384504
D,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,1.000000