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]
27 ott       13.3      1.1        1        0        0
3 nov        15.4     0.86     0.14        0        0
10 nov          9      1.1     0.29        0        0
17 nov        6.4        1     0.14        0        0
24 nov        8.7     0.71     0.14        0        0
1 dic           7     0.57     0.14        0        0
8 dic         6.3     0.71     0.14        0        0
15 dic        340     26.3        5        0        0
22 dic        7.7      1.1     0.14        0        0
29 dic        4.7      1.7     0.14        0        0
5 gian        4.3     0.29        0        0        0
12 gian       5.3     0.43     0.29        0        0
19 gian       3.3      1.3     0.14        0        0
26 gian       3.3     0.29        0        0        0
2 feb         374     37.1     20.4      5.9      4.6
9 feb        66.4      7.3      3.4     0.86     0.14
16 feb       23.3      1.3     0.14        0        0
23 feb        5.3     0.14        0        0        0
2 mar         2.9     0.57        0        0        0
9 mar         5.1     0.71     0.14        0        0
16 mar        2.7     0.14        0        0        0
23 mar        4.3        1     0.29        0        0
30 mar        2.7     0.86     0.71        0        0
6 apr         3.3     0.57        0        0        0
13 apr        4.1     0.57     0.14        0        0
20 apr          3     0.57     0.14        0        0
27 apr        3.3     0.71     0.14        0        0
4 mag         2.7     0.43        0        0        0
11 mag        2.3     0.29     0.14        0        0
18 mag        1.3     0.57        0        0        0
19 mag          1        2        0        0        0