Column titles:
[1] - Windows 10
[2] - Android
[3] - MacOS
[4] - Windows 7
[5] - iOS iPhone
Date          [1]      [2]      [3]      [4]      [5]
27 Oct.      21.3        9      1.4      1.3      2.7
3 Nov.       18.4      8.9      1.9      1.4        3
10 Nov.        15      7.9      2.3      1.3      2.3
17 Nov.      14.7      4.7     0.57     0.86        2
24 Nov.      10.9      4.3      1.3      1.6        1
1 Dec.       13.4      6.7        2      1.6      3.7
8 Dec.       12.6        4      1.4      1.4        2
15 Dec.      14.1      4.6        1        1      1.7
22 Dec.      13.6      4.1      1.4      1.6      2.3
29 Dec.       9.4      5.6      1.6      1.7        2
5 Jan.        4.9      5.3        1        1      1.9
12 Jan.      10.9      4.6     0.57        1      3.4
19 Jan.        25      3.1     12.4        1      2.6
26 Jan.      15.9        5      1.9      1.4      1.9
2 Feb.       12.1      4.7      1.9      2.3      1.9
9 Feb.       15.1      5.6      1.3      2.3      4.9
16 Feb.      15.3      6.9     0.86      1.4        2
23 Feb.      13.1        5      1.4      1.9      2.1
2 Mar.       15.7      6.4      1.7      1.4      2.1
9 Mar.       16.4      3.4      1.3      1.3      2.3
16 Mar.        11     17.3     0.43      1.6        7
23 Mar.        14        6      1.4        1      2.4
30 Mar.      12.9      6.7      1.6     0.86      2.6
6 Apr.       11.1     21.9     0.86      1.7      2.3
13 Apr.      13.4     24.9      1.3        3      2.4
20 Apr.      14.6     18.3     0.86      1.1      2.1
27 Apr.      15.7     18.6      1.6      1.7      1.6
4 May        11.1      8.6     0.43      1.1     0.86
11 May       11.9      7.3     0.43     0.86        1
18 May       13.4        7     0.43        1     0.86
21 May       14.7       13      2.7        1        2