ratio grp
 .852 P
 .901 P
 .849 P
 .779 P
 .842 P
 .960 P
 .782 P
1.004 P
 .942 P
 .977 P
 .891 P
 .898 P
 .866 P
1.004 P
1.012 C
1.111 C
1.094 C
1.216 C
 .989 C