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]
20 Oct.      92.3      6.4      1.2    0.079    0.016
27 Oct.      92.6      6.1      1.2    0.047   0.0079
3 Nov.       92.6      6.2      1.2    0.074     0.02
10 Nov.      92.3      6.4      1.2    0.081     0.04
17 Nov.      92.3      6.4      1.2      0.1    0.012
24 Nov.      92.3      6.3      1.3    0.039    0.034
1 Dec.       92.1      6.6      1.2    0.035     0.03
8 Dec.       92.2      6.5      1.2     0.08    0.025
15 Dec.      92.4      6.1      1.3     0.11   0.0099
22 Dec.      92.2      6.4      1.3     0.09    0.026
29 Dec.        92      6.5      1.4    0.069    0.017
5 Jan.       91.7      6.7      1.5    0.068    0.015
12 Jan.      91.8      6.6      1.5     0.11    0.012
19 Jan.      92.1      6.4      1.3    0.089    0.022
26 Jan.      92.4      6.1      1.4    0.053    0.021
2 Feb.       92.3      6.4      1.1      0.1     0.03
9 Feb.       92.3      6.2      1.3    0.053    0.042
16 Feb.      92.5      6.1      1.3    0.089    0.022
23 Feb.      92.6      6.1      1.2    0.062    0.025
2 Mar.       92.4      6.1      1.4    0.082    0.015
9 Mar.       92.2      6.3      1.4    0.052    0.022
16 Mar.      92.4      6.4      1.1    0.089        0
23 Mar.      83.3     12.5      3.9     0.39        0
30 Mar.      82.6      9.8      6.5      1.1        0
6 Apr.       80.1     13.3      6.6        0        0
13 Apr.      75.4     19.7      4.9        0        0
20 Apr.        75       20        5        0        0
27 Apr.      83.1     10.4      6.5        0        0
4 May          82       10        8        0        0
11 May       67.6     18.9     13.5        0        0
16 May       88.2     11.8        0        0        0