los nombres de las columnas:
[1] - Google
[2] - Yandex
[3] - Search.Mail.ru
Fecha         [1]      [2]      [3]
oct 22       35.7     34.2     30.1
nov 22       34.4     32.9     32.7
dic 22       31.5     36.3     32.3
en 23        34.9     35.9     29.2
feb 23         34     37.1     28.9
mar 23       35.4     31.5     33.1
abr 23       30.8     32.8     36.5
mayo 23      36.8     30.8     32.3
jun 23       31.8     32.6     35.7
jul 23       34.7     29.6     35.7
ag 23        29.9     32.9     37.2
sept 23      33.3     33.1     33.5
oct 23       36.7     34.2     29.2
nov 23       31.5       34     34.5
dic 23       34.6     30.9     34.6
en 24        35.8     35.5     28.8
feb 24       30.7     38.3       31
mar 24       35.3     31.9     32.8
abr 24       33.5     37.7     28.8
mayo 24      34.2     30.7     35.1
jun 24       32.4     38.1     29.5
jul 24       28.4       39     32.6
ag 24          28     35.1     36.9
sept 24      33.7     31.5     34.8
oct 24       32.4     35.9     31.7
nov 24       32.8     35.9     31.3
dic 24       31.5     35.2     33.3
en 25        32.7     35.2     32.1
feb 25         32     45.1     22.9
mar 25       39.3     31.3     29.4
abr 25       35.6     33.2     31.2