"S1"	"S2"
72.6	64.6
58.5	60.9
60.6	85.3
62.4	73.2
63.2	58.6
78.6	47.5
66.4	64.5
64.5	50.6
66.7	90.6
58.1	60.3
67.8	72.1
57.1	77.1
66.6	60.1
75.9	76.2
65.7	92.4
52.7	73
NA	69.2
NA	69
