Column titles:
[1] - Opera (Blink)
[2] - Mobile Safari
[3] - Google Chrome
[4] - Yandex.Browser
Date          [1]      [2]      [3]      [4]
28 Apr.         1        0        2        0
29 Apr.         2        0        1        0
30 Apr.         1        0        0        1
1 May           1        0        1        0
2 May           0        0        2        0
3 May           1        0        3        0
4 May           1        0        2        2
5 May           1        0        0        1
6 May           1        0        1        1
7 May           1        0        1        0
8 May           3        0        1        0
9 May           1        0        1        1
10 May          1        0        1        1
11 May          1        0        1        1
12 May          1        0        0        1
13 May          0        0        2        0
14 May          2        0        0        0
15 May          2        0        0        0
16 May          1        0        0        0
17 May          0        0        1        0
18 May          1        0        1        0
19 May          2        0        0        1
20 May          2        0        0        0
21 May          0        1        1        0
22 May          2        0        0        0
23 May          1        0        2        0
24 May          2        0        0        1
25 May          2        0        1        0
26 May          2        0        0        0
27 May          2        0        3        2
28 May          0        0        4        0