los nombres de las columnas:
[1] - Yandex
[2] - Google
[3] - Search.Mail.ru
[4] - Rambler
[5] - Yahoo
Fecha         [1]      [2]      [3]      [4]      [5]
dic 22       46.6     49.8      1.5     0.95     0.41
en 23        32.7     64.9     0.73     0.44     0.44
feb 23       30.4     68.2     0.39     0.21     0.24
mar 23       21.8     74.3     0.48     0.76     0.79
abr 23       20.2     73.6     0.84      1.4      1.1
mayo 23        31     63.8      1.2      1.6     0.71
jun 23       39.1     55.3      1.8      1.7     0.69
jul 23       36.1     53.1      2.5      3.1      1.4
ag 23        42.7     49.5      4.1      3.1     0.22
sept 23      33.7     55.7      5.7      4.2     0.28
oct 23       27.8     60.2      6.3      4.9     0.33
nov 23       32.4     62.2        2      1.5     0.78
dic 23       32.9       62      1.2      1.1      1.1
en 24        31.8     62.9      1.3      1.2        1
feb 24       36.4     56.1      1.6      1.1      1.5
mar 24       33.1     61.9      1.1     0.87      1.2
abr 24       34.8     64.1     0.45    0.069     0.13
mayo 24      31.4     68.2     0.28     0.01        0
jun 24       40.8     58.7     0.41        0        0
jul 24       40.3     59.4     0.21    0.012        0
ag 24        40.6       59     0.37        0        0
sept 24      46.5       53     0.51        0        0
oct 24       48.9     50.5     0.51        0        0
nov 24       42.9     57.1        0        0        0
dic 24       47.1     52.9        0        0        0
en 25        73.4     26.6        0        0        0
feb 25       70.4     29.1     0.48        0        0
mar 25       53.6     46.4        0        0        0
abr 25       47.6     52.4        0        0        0
mayo 25      78.9     21.1        0        0        0
jun 25        100        0        0        0        0