Column titles:
[1] - Windows 10
[2] - MacOS
[3] - Windows 7
[4] - Android
[5] - Windows 8
Date          [1]      [2]      [3]      [4]      [5]
8 May           2        1        0        0        0
9 May           1        0        1        0        0
10 May          3        0        0        1        0
11 May          4        3        0        1        0
12 May          2        0        0        0        0
13 May          1        0        0        0        0
14 May          6        3        0        1        1
15 May          2        2        0        0        0
16 May          0        0        0        0        1
17 May          2        0        2        0        0
18 May          5        1        0        0        0
19 May          6        0        1        0        0
20 May          5        0        0        0        0
21 May          4        0        2        0        0
22 May          4        0        0        1        0
23 May          3        0        0        0        0
24 May          4        3        0        0        0
25 May          8        1        0        0        0
26 May          7        0        0        0        0
27 May          1        2        0        2        0
28 May          3        1        0        0        1
29 May          4        0        0        0        0
30 May          0        0        0        0        0
31 May          3        2        0        1        0
1 Jun.          6        1        0        0        0
2 Jun.          2        2        0        1        0
3 Jun.          4        2        0        0        0
4 Jun.          5        3        1        0        0
5 Jun.          1        0        0        0        0
6 Jun.          1        0        0        0        0
7 Jun.          5        1        0        1        0