los nombres de las columnas:
[1] - ok.ru
[2] - connect.ok.ru
[3] - Otros
[4] - surfe.be
[5] - myste.ru
Fecha         [1]      [2]      [3]      [4]      [5]
nov 22        1.2     14.4      123     26.8        0
dic 22        3.1     11.7     49.1     49.5        0
en 23        0.74      9.8     66.1     48.5        0
feb 23        4.3     11.3     76.2       28        0
mar 23         23      8.8     50.8     29.7        0
abr 23       32.2      8.8      137     23.6        0
mayo 23      34.2      7.3     79.7       16        0
jun 23        0.6      3.9      105     14.8        0
jul 23       0.81      4.6      113     35.1        0
ag 23         1.1      4.9      265       22        0
sept 23      83.3      4.6      272     78.7        0
oct 23       45.5      5.8      110     11.4        0
nov 23        8.9        6      129     12.7        0
dic 23       28.7      4.8     97.3     13.3        0
en 24         147      4.9      113      7.1        0
feb 24       76.8      3.7     69.6      7.4        0
mar 24         72      2.9      230     39.1        0
abr 24        123        4      131     54.8        0
mayo 24      49.4      4.3     35.8     66.3        0
jun 24         69      7.3     40.6     29.4        0
jul 24       74.2      6.6     19.3      2.8        0
ag 24        33.6      2.8      8.9     13.4        0
sept 24      49.1      2.9     24.5     19.6        0
oct 24        105      3.3     12.5      2.9        0
nov 24         73      2.3       19     32.4        1
dic 24         26      9.4     18.8      4.7      2.5
en 25        45.3     10.5      3.2      2.9      2.1
feb 25        4.1     10.6     10.2     0.79      3.1
mar 25       15.2      9.7      7.6        5      1.8
abr 25       47.3      8.4     10.6      2.4     0.67
mayo 25      43.6      5.2        0        8     0.83