I nomi delle colonne:
[1] - Marcatore
[2] - Altri
[3] - google.com
[4] - ya.ru
Data          [1]      [2]      [3]      [4]
24 nov       69.7     15.2      9.1        0
1 dic        42.1     15.8     15.8     15.8
8 dic        65.4      7.7     15.4      7.7
15 dic       17.9     80.8     0.72    0.036
22 dic       68.8     18.8      6.2      2.1
29 dic       63.9     19.4      5.6      2.8
5 gian       47.4     21.1        0      5.3
12 gian      51.7     13.8      3.4      6.9
19 gian      61.5     19.2        0        0
26 gian      73.3     13.3        0        0
2 feb        52.3     38.2      2.5     0.56
9 feb          54     31.5      4.3     0.99
16 feb       53.2     36.7      1.3      1.3
23 feb         84        8        0        0
2 mar        86.7     13.3        0        0
9 mar        75.7      5.4      5.4      2.7
16 mar       38.5      7.7     15.4      7.7
23 mar       67.6      8.8     14.7      5.9
30 mar       84.4      6.2      9.4        0
6 apr        57.9     31.6     10.5        0
13 apr         64        0       16        0
20 apr       70.6     11.8        0      5.9
27 apr       83.3      5.6      5.6        0
4 mag        73.3      6.7      6.7        0
11 mag       15.4      7.7     15.4     15.4
18 mag       83.3        0        0        0
25 mag         50        0        0        0
1 giug         40        0      6.7        0
8 giug         50        0        0      5.6
15 giug      55.6        0        0     11.1
21 giug       100        0        0        0