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