Group Gain
1  -0.5
1  -9.3
1  -5.4
1  12.3
1  -2.0
1 -10.2
1 -12.2
1  11.6
1  -7.1
1   6.2
1  -0.2
1  -9.2
1   8.3
1   3.3
1  11.3
1   0.0
1  -1.0
1 -10.6
1  -4.6
1  -6.7
1   2.8
1   0.3
1   1.8
1   3.7
1  15.9
1 -10.2
2   1.7
2   0.7
2  -0.1
2  -0.7
2  -3.5
2  14.9
2   3.5
2  17.1
2  -7.6
2   1.6
2  11.7
2   6.1
2   1.1
2  -4.0
2  20.9
2  -9.1
2   2.1
2  -1.4
2   1.4
2  -0.3
2  -3.7
2  -0.8
2   2.4
2  12.6
2   1.9
2   3.9
2   0.1
2  15.4
2  -0.7
3  11.4
3  11.0
3   5.5
3   9.4
3  13.6
3  -2.9
3  -0.1
3   7.4
3  21.5
3  -5.3
3  -3.8
3  13.4
3  13.1
3   9.0
3   3.9
3   5.7
3  10.7