Column titles:
[1] - Russia
[2] - USA
[3] - Portugal
[4] - Germany
[5] - Netherlands
Date          [1]      [2]      [3]      [4]      [5]
28 Apr.      82.2      5.7      1.6      0.4        0
29 Apr.      93.8      3.9      1.3        0        0
30 Apr.      77.9      7.2        1        0        0
1 May        91.1      3.2        0        0        0
2 May        55.7      1.4      2.9        0      1.4
3 May        57.4        0      6.6        0        0
4 May          95      3.8        0        0        0
5 May        95.3      1.4      2.8        0        0
6 May        89.4     0.35        0        0        0
7 May        93.5        2      1.3        0        0
8 May        73.9      1.5        0        0        0
9 May          80     17.1        0        0        0
10 May         60       20      6.7        0        0
11 May       87.5      6.2      1.8        0        0
12 May       95.1      1.6        0        0        0
13 May       87.5      1.3      1.3     0.66        0
14 May       96.2      1.4     0.54     0.27        0
15 May       89.7      1.3     0.65     0.32        0
16 May         98     0.99        0     0.49        0
17 May       86.7      8.3      3.3        0        0
18 May       90.5      7.1        0        0        0
19 May       79.2      3.1      1.8      2.7        0
20 May       88.7      4.7      1.9     0.94     0.47
21 May       75.3      4.1      1.2        0        0
22 May       94.3      1.9        0        0        0
23 May         79     17.4        0        0        0
24 May         80      9.2      6.2        0        0
25 May       93.8      6.2        0        0        0
26 May       92.6      3.7        3        0        0
27 May       82.1      1.6      2.1        0        0
28 May       86.3      4.3      3.4        0        0