radiation
20.9
19.6
20.4
20.3
20.8
20.6
20.5
20.4
19.9
19.8
19.5
20.2
16.5
18.3
18.7
19.6
20
20
19.5
19.6
19.1
18.8
18.3
17.6
17.2
17.8
18.7
19
19
18.6
18.8
19
18.5
18.3
17.5
16.9
17
17.8
18.1
18.8
18.9
18.9
19.1
18.8
18.4
17.8
17
16.8