Column titles:
[1] - Saint-Petersburg
[2] - Moscow
[3] - Krasnodar
[4] - Surgut
[5] - Voronezh
Date          [1]      [2]      [3]      [4]      [5]
20 Apr.         0       75     12.5        0        0
21 Apr.      11.1       50      5.6        0        0
22 Apr.       9.1     68.2        0        0        0
23 Apr.       8.7     47.8        0        0        0
24 Apr.         0     66.7        0        0        0
25 Apr.      13.6     54.5      4.5        0        0
26 Apr.         0     45.5        0        0        0
27 Apr.         0     62.5        0        0      6.2
28 Apr.      11.1     44.4        0        0        0
29 Apr.         0     58.3        0        0        0
30 Apr.       8.3     58.3      8.3        0        0
1 May           0     54.5        0        0        0
2 May           0     66.7     11.1        0        0
3 May        16.7     66.7        0        0        0
4 May           0       50     16.7        0        0
5 May         5.9     35.3      5.9        0      5.9
6 May         7.4     51.9      3.7        0        0
7 May         5.6     44.4     11.1        0        0
8 May           5       30       15        0        0
9 May         7.7     61.5     15.4        0        0
10 May          0     55.6     11.1     11.1        0
11 May          0       50       10        0        0
12 May          0     53.3      6.7        0        0
13 May          5       50        5        0        0
14 May       14.8     48.1      3.7      3.7      3.7
15 May          5       50        5        0        5
16 May        6.2     37.5      6.2     12.5     12.5
17 May        7.1     57.1     14.3      7.1      7.1
18 May          0     61.5     15.4      7.7        0
19 May          0     54.2      8.3        0        0
20 May          0     38.9     11.1      5.6        0