Column titles:
[1] - Moscow
[2] - Chelyabinsk
[3] - Krasnodar
[4] - Tyumen
Date          [1]      [2]      [3]      [4]
22 Apr.         0        0        0        0
23 Apr.         0        0        0        0
24 Apr.         0        0        0        0
25 Apr.         0        0        0        0
26 Apr.         0        0        0        0
27 Apr.         0        0        0        0
28 Apr.         0        0        0        0
29 Apr.         0        0        0        0
30 Apr.         0        0        0        0
1 May           0        0        0        0
2 May           0        0        0        0
3 May           0        0        0        0
4 May           0        0        0        0
5 May           0        0        0        0
6 May           0        0        0        0
7 May           0        0        0        0
8 May        81.8        0     18.2        0
9 May           0        0      100        0
10 May          0        0      100        0
11 May       88.6        0     11.4        0
12 May         79     17.7      3.2        0
13 May       97.1        0      1.2        0
14 May       98.2        0      1.8        0
15 May       98.8        0      1.2        0
16 May         97        0        2        0
17 May         80        0       20        0
18 May          0        0      100        0
19 May       83.8     13.1      1.9      1.2
20 May       97.9        0      2.1        0
21 May       98.1        0      1.9        0
22 May        100        0        0        0