group,value
A,10.5
A,11.2
A,9.8
A,10.1
A,11.5
A,10.8
A,9.5
A,10.3
A,11.0
A,10.6
B,12.3
B,13.1
B,11.8
B,12.5
B,13.0
B,12.1
B,11.5
B,12.8
B,13.2
B,12.0