Column titles:
[1] - 1 session
[2] - 2 sessions
[3] - from 3 to 5 sessions
[4] - from 6 to 10 sessions
[5] - more than 10 sessions
Date          [1]      [2]      [3]      [4]      [5]
29 Apr.      96.1      2.6        1      0.2    0.063
30 Apr.      96.3      2.5     0.89      0.2    0.072
1 May          97      2.1     0.72     0.16    0.042
2 May        97.3      1.9     0.61     0.15    0.066
3 May        97.2        2     0.66     0.13    0.059
4 May          97      2.1     0.64     0.18    0.061
5 May        96.8        2     0.85     0.22    0.082
6 May          97      1.9     0.85      0.2    0.049
7 May        97.1      1.8     0.82     0.19    0.066
8 May        97.4      1.7     0.64     0.17    0.085
9 May        97.3      1.8     0.61     0.18    0.071
10 May       97.3      1.9     0.62     0.18    0.058
11 May       97.1      1.9     0.73     0.15    0.067
12 May       96.8      2.1     0.81     0.19    0.086
13 May       96.9        2     0.81     0.21    0.076
14 May       96.8      2.1     0.79     0.23    0.076
15 May       96.8      2.1     0.77     0.24    0.089
16 May       96.8        2     0.83     0.22    0.083
17 May       97.3      1.8     0.66     0.15     0.07
18 May       97.3      1.9     0.63     0.15    0.063
19 May       97.1      1.9     0.75      0.2    0.094
20 May       96.7      2.2     0.79     0.23     0.09
21 May       96.2      2.3      1.2     0.25    0.098
22 May       96.4      2.3     0.88     0.29     0.13
23 May       96.7        2     0.97      0.2    0.092
24 May         97        2     0.73     0.23    0.083
25 May       96.9        2     0.77     0.21    0.084
26 May       96.4      2.3     0.94     0.27      0.1
27 May       96.4      2.3     0.91     0.25     0.11
28 May       96.5      2.2     0.91     0.28     0.12
29 May       96.7        2        1     0.23      0.1