value	group
29.8	a
35.2	a
35.7	a
37.1	a
25.7	a
29.3	a
30.9	a
16.5	a
34.1	a
27.3	a
33.9	a
32.6	a
35.3	a
27.2	a
38.4	a
27.8	a
22.6	a
24.6	a
23.5	a
31.8	a
43.5	b
42.5	b
48.3	b
41.7	b
40.6	b
45.7	b
37.4	b
43.3	b
34.0	b
43.2	b
38.0	b
43.0	b
30.1	b
36.4	b
40.7	b
41.2	b
37.3	b
38.4	b
40.4	b
38.9	b
28.2	c
38.0	c
40.4	c
24.8	c
40.8	c
40.4	c
32.9	c
28.3	c
39.4	c
34.6	c
34.0	c
32.9	c
32.2	c
24.3	c
20.2	c
29.1	c
49.5	c
22.4	c
20.8	c
26.6	c