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]
6 apr        80.4      9.7      8.1      1.1     0.68
7 apr        77.3     13.2      6.7      1.6      1.3
8 apr        80.5      9.4      6.5      2.3      1.2
9 apr        81.1      9.2      6.2      2.6     0.93
10 apr         80      8.9      7.4      2.6      1.1
11 apr       77.4     10.6      8.1      2.8      1.2
12 apr       84.7      8.3      4.1      1.9     0.97
13 apr       80.1       10      5.5      3.3     0.96
14 apr       80.2     10.1      6.7      2.3     0.76
15 apr       76.5     11.7      9.3      1.8      0.8
16 apr       77.9     10.8      8.6      2.2     0.59
17 apr       77.6     11.2      7.2      3.4      0.6
18 apr       79.5     10.9      7.4      1.4     0.82
19 apr       79.6       11      7.2      1.7     0.55
20 apr       81.8      7.7        8      1.5     0.97
21 apr       80.3        9      7.1      2.7     0.96
22 apr       80.6     10.5      5.5      2.2      1.2
23 apr       80.8        9      6.1      2.7      1.4
24 apr       79.2     10.9      5.9      3.2     0.81
25 apr       79.7     11.3      5.4      3.1     0.42
26 apr       83.7      8.6      5.9      1.2     0.49
27 apr       83.2      7.6      6.1      2.7     0.42
28 apr       81.6      8.5      6.9      2.2     0.81
29 apr         82      9.4      5.8      1.9     0.94
30 apr       79.8     10.4      6.5      2.3     0.96
1 mag        82.3        9      7.8     0.71     0.24
2 mag        81.7     12.7        4      1.4     0.23
3 mag        83.6      9.1      5.4      1.4     0.47
4 mag        84.5      8.1      5.5      1.5     0.42
5 mag          84        7      5.5      3.1     0.44
6 mag        79.5     10.9      7.2      1.4        1