Column titles:
[1] - Opera (Blink)
[2] - Google Chrome
Date          [1]      [2]
19 May         50     37.5
20 May       66.7        0
21 May         60       20
22 May         75        0
23 May         50       25
24 May         50        0
25 May       66.7     33.3
26 May        100        0
27 May         50       25
28 May         60       20
29 May         40       40
30 May         50     33.3
31 May        100        0
1 Jun.         50       50
2 Jun.         25       75
3 Jun.         50       25
4 Jun.         50       25
5 Jun.       66.7        0
6 Jun.       42.9     14.3
7 Jun.        100        0
8 Jun.        100        0
9 Jun.         50       25
10 Jun.        50        0
11 Jun.      66.7        0
12 Jun.        50       50
13 Jun.         0        0
14 Jun.       100        0
15 Jun.      33.3     66.7
16 Jun.        75        0
17 Jun.      66.7        0
18 Jun.        50       25