I nomi delle colonne:
[1] - 1 sessione
[2] - 2 sessioni
[3] - da 3 a 5 sessioni
[4] - da 6 a 10 sessioni
[5] - più di 10 sessioni
Data          [1]      [2]      [3]      [4]      [5]
7 apr        95.7      2.1      2.1        0        0
8 apr        97.1      2.9        0        0        0
9 apr        93.6      6.4        0        0        0
10 apr       95.3      4.7        0        0        0
11 apr         92        6        2        0        0
12 apr       94.3      3.8      1.9        0        0
13 apr       97.9      2.1        0        0        0
14 apr       80.8     13.5      5.8        0        0
15 apr         97        3        0        0        0
16 apr       93.1      6.9        0        0        0
17 apr       88.6      8.6      2.9        0        0
18 apr       86.2      6.9      6.9        0        0
19 apr       83.3     11.1      5.6        0        0
20 apr         81       19        0        0        0
21 apr       90.3      6.5      3.2        0        0
22 apr       92.5      5.7      1.9        0        0
23 apr       89.4      2.1      8.5        0        0
24 apr       88.9      2.8      8.3        0        0
25 apr       87.5      6.2      3.1      3.1        0
26 apr         90       10        0        0        0
27 apr       89.5     10.5        0        0        0
28 apr       83.3     13.3      3.3        0        0
29 apr       91.7      5.6      2.8        0        0
30 apr       90.9      6.1        3        0        0
1 mag        90.6      6.2      3.1        0        0
2 mag        89.7      7.7      2.6        0        0
3 mag        96.9      3.1        0        0        0
4 mag        87.9      9.1        3        0        0
5 mag          80       12        8        0        0
6 mag        82.4     11.8      5.9        0        0
7 mag        89.3        0      3.6      7.1        0