los nombres de las columnas:
[1] - Otros
[2] - Marcador
[3] - yandex.ru
[4] - No definido
[5] - e.mail.ru
Fecha         [1]      [2]      [3]      [4]      [5]
nov 22       26.8      7.9        7      5.1      1.2
dic 22       21.8      6.8      5.6      5.2      1.2
en 23        28.9       10      6.6      3.9      1.7
feb 23       28.5     10.2      7.3      5.1      1.1
mar 23       26.8      9.8      7.6        5      1.1
abr 23       34.5     10.4      8.2      5.2     0.73
mayo 23        23      9.8     15.8      5.1     0.94
jun 23       24.8      8.8     10.1      4.3     0.93
jul 23       25.5       11     11.9      3.8     0.71
ag 23        21.5      7.3        5      3.7     0.61
sept 23      24.8      7.9      5.9      2.3      1.1
oct 23       30.8      9.6      6.3      1.9     0.94
nov 23       22.3     12.1      5.9      1.4      0.9
dic 23         23       38      5.4      1.8     0.48
en 24        21.1      9.4      5.2        2     0.74
feb 24       19.7     12.7      7.1      1.5     0.97
mar 24       17.6       16      6.6      2.5     0.65
abr 24       16.5     12.3      5.9      1.7     0.93
mayo 24      14.5     11.1      6.8      1.8     0.39
jun 24       14.9     10.9      8.3      1.1     0.53
jul 24       14.7     12.2      7.9     0.84     0.94
ag 24        12.5      7.6      8.5     0.61     0.39
sept 24      11.1      6.7      8.4     0.97     0.73
oct 24       12.9      6.4      7.8     0.97     0.32
nov 24       10.4      4.2      5.3     0.73     0.23
dic 24        8.9      5.2      3.7     0.48     0.29
en 25        15.3        5        4      1.4     0.68
feb 25        9.3      5.2      4.8     0.93     0.68
mar 25        6.9        9      4.7     0.77     0.45
abr 25        7.8     11.9      4.1      0.4      0.5
mayo 25         0      5.3      3.2     0.26     0.32