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]
27 Oct.      86.1      7.4      6.5        0        0
3 Nov.       93.9      5.2     0.87        0        0
10 Nov.      86.3       11      2.7        0        0
17 Nov.      84.9     13.2      1.9        0        0
24 Nov.        91      7.5      1.5        0        0
1 Dec.       90.7      7.4      1.9        0        0
8 Dec.         88       10        2        0        0
15 Dec.      91.6      7.1      1.3        0        0
22 Dec.      85.7     12.7      1.6        0        0
29 Dec.      71.7     26.1      2.2        0        0
5 Jan.       93.8      6.2        0        0        0
12 Jan.      88.1      7.1      4.8        0        0
19 Jan.      69.7     27.3        3        0        0
26 Jan.        92        8        0        0        0
2 Feb.       84.6      8.4      4.6      1.3        1
9 Feb.         85      9.3      4.4      1.1     0.18
16 Feb.      94.2      5.2     0.58        0        0
23 Feb.      97.4      2.6        0        0        0
2 Mar.       83.3     16.7        0        0        0
9 Mar.       85.7     11.9      2.4        0        0
16 Mar.        95        5        0        0        0
23 Mar.      76.9     17.9      5.1        0        0
30 Mar.      63.3       20     16.7        0        0
6 Apr.       85.2     14.8        0        0        0
13 Apr.      85.3     11.8      2.9        0        0
20 Apr.      80.8     15.4      3.8        0        0
27 Apr.      79.3     17.2      3.4        0        0
4 May        86.4     13.6        0        0        0
11 May       84.2     10.5      5.3        0        0
18 May       69.2     30.8        0        0        0
19 May       33.3     66.7        0        0        0