Column titles:
[1] - Windows 10
Date          [1]
28 Apr.       100
29 Apr.       100
30 Apr.        60
1 May         100
2 May         100
3 May         100
4 May         100
5 May         100
6 May         100
7 May         100
8 May         100
9 May         100
10 May        100
11 May        100
12 May         75
13 May        100
14 May        100
15 May        100
16 May        100
17 May       71.4
18 May        100
19 May        100
20 May        100
21 May        100
22 May        100
23 May        100
24 May       83.3
25 May        100
26 May        100
27 May        100
28 May        100