a                    pan
b                    pan
i                    1
x                    0.34679014
y                    0.72680286
x_cumulative_percent 100.00000000
y_cumulative_percent 100.00000000

a                    eks
b                    pan
i                    2
x                    0.75867996
y                    0.52215111
x_cumulative_percent 100.00000000
y_cumulative_percent 100.00000000

aaa wye
b   wye
i   3
x   0.20460331
y   0.33831853

a   eks
bbb wye
i   4
x   0.38139939
y   0.13418874

a                    wye
b                    pan
i                    5
xxx                  0.57328892
y                    0.86362447
y_cumulative_percent 100.00000000

a                    zee
b                    pan
i                    6
x                    0.52712616
y                    0.49322129
x_cumulative_percent 100.00000000
y_cumulative_percent 100.00000000

a                    eks
b                    zee
iii                  7
x                    0.61178406
y                    0.18788492
x_cumulative_percent 100.00000000
y_cumulative_percent 100.00000000

a                    zee
b                    wye
i                    8
x                    0.59855401
yyy                  0.97618139
x_cumulative_percent 100.00000000

aaa hat
bbb wye
i   9
x   0.03144188
y   0.74955076

a                    pan
b                    wye
i                    10
x                    0.50262601
y                    0.95261836
x_cumulative_percent 100.00000000
y_cumulative_percent 100.00000000
