US
Reverse
Retained
Boomerang
Created with Raphaël 2.1.2
71.62
X
10
20
30
40
50
60
70
63.07
2008
66.66
63.31
66.44
60
2012
62.74
59.9
64.96
61.04
2016
61.24
60.91
64.69
69.3
2020
76.05
67.81
71.62