Column titles:
[1] - Windows 10
[2] - Android
[3] - Unix
[4] - iOS iPhone
[5] - Windows 7
Date          [1]      [2]      [3]      [4]      [5]
29 Apr.      61.1     24.9      2.6      3.1      3.5
30 Apr.      60.3     24.5      2.6      3.9      4.5
1 May        57.9     28.8        2      2.9      4.3
2 May        61.9       26        2      2.2        4
3 May          60     26.9      1.7      3.2      3.2
4 May        59.3     28.5        2      2.8      3.2
5 May        63.4     23.2      2.3        3      3.2
6 May          62     24.1      2.4        3      3.5
7 May          62     24.8      2.4      3.1        4
8 May        60.9     26.2      1.6        4      3.2
9 May        60.1     27.4      2.5      2.6      3.3
10 May       59.3     27.1      2.2      3.7      3.4
11 May       62.3     24.9      1.8      3.2      3.4
12 May       64.7     23.7      1.8      2.5      3.3
13 May       64.8     23.5      1.7      2.4      3.9
14 May       63.5     23.8      2.2        3      3.3
15 May       60.1     26.1      2.5      3.3      3.8
16 May       61.3     25.3      1.7        3        4
17 May       59.1     27.5      2.6      2.7      3.8
18 May       55.9     30.8      2.7        3      3.2
19 May       57.9     28.4      2.7      3.3        4
20 May       61.7     24.2      2.2      3.4      4.2
21 May       62.1     24.6        2      2.7        4
22 May       59.8     25.6      3.2      3.5      3.9
23 May         62     24.3      3.1      3.3      4.2
24 May       63.2     24.6      2.4      2.1      3.3
25 May       57.6     28.8      3.1      2.7      3.7
26 May         63     23.8        2      3.3        4
27 May       61.6     24.7      2.9      2.8      4.4
28 May       59.2     25.8      2.6      3.6        4
29 May       51.5     31.6      2.3        7      2.7