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