,AAA,AA,A,BBB,BB,B,CCC,D
AAA,0.967788,0.032212,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000
AA,0.013451,0.986549,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000
A,0.000000,0.000000,0.989715,0.010285,0.000000,0.000000,0.000000,0.000000
BBB,0.000000,0.000000,0.000000,0.997004,0.000000,0.000000,0.002996,0.000000
BB,0.000000,0.000000,0.000000,0.000000,0.916625,0.075037,0.008337,0.000000
B,0.000000,0.000000,0.000000,0.000000,0.000000,0.679952,0.119992,0.200056
CCC,0.000000,0.000000,0.001000,0.002000,0.003000,0.020000,0.473860,0.500140
D,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,1.000000