Standard&Poor's rating scale

22

AAA

21

AA+

20

AA

19

AA-

18

A+

17

A

16

A-

15

BBB+

14

BBB

13

BBB-

12

BB+

11

BB

10

BB-

9

B+

8

B

7

B-

6

CCC+

5

CCC

4

CCC-

3

CC

2

C

1

1 D