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