I nomi delle colonne:
[1] - Giappone
[2] - Belorussia
[3] - USA
[4] - Paesi Bassi
[5] - Brasile
Data          [1]      [2]      [3]      [4]      [5]
6 apr           0        0        1        0        0
7 apr           1        0        1        0        0
8 apr           0        3        1        0        0
9 apr           0       26        0        0        0
10 apr          0        6        0        0        1
11 apr          0        8        0        0        0
12 apr          0        4        2        0        0
13 apr          0        5        1        0        0
14 apr          1        4        1        0        1
15 apr          0        6        0        0        0
16 apr          0        7        0        0        0
17 apr          1        2        1        2        0
18 apr          0        3        0        0        0
19 apr          0        6        2        0        1
20 apr          0       11        1        0        0
21 apr          2        3        0        0        0
22 apr          0       11        1        0        0
23 apr          0        4        4        0        1
24 apr          0        6        0        0        0
25 apr          1        2        1        0        0
26 apr          0        7        0        0        0
27 apr          0       11        0        1        0
28 apr          0        6        1        0        0
29 apr          0        5        0        0        0
30 apr          0        4        3        1        0
1 mag           1        6        0        1        0
2 mag           0        6        0        0        0
3 mag           1        8        0        1        0
4 mag           0        5        0        0        0
5 mag           0        2        0        0        1
6 mag           0        9        3        0        0