los nombres de las columnas:
[1] - Marcador
[2] - No definido
[3] - yandex.ru
[4] - google.com
[5] - Otros
Fecha [1] [2] [3] [4] [5]
dic 22 30.7 16.7 12.6 4.7 7.3
en 23 30.4 16.2 12.3 5.8 7.3
feb 23 29.7 15.7 13.5 5.8 8.4
mar 23 27.9 15.9 12.8 5.6 11.5
abr 23 30.2 17.9 14.5 6.1 5.9
mayo 23 30 17.1 14.4 6.1 5.5
jun 23 30.1 16.8 14.2 6.1 5.5
jul 23 29.8 16.3 15.3 5.8 5.8
ag 23 30 16.2 15.4 5.7 5.2
sept 23 30.1 16.7 14.3 6 5.3
oct 23 29.9 16.7 13.7 7.2 4.9
nov 23 30.4 17.3 13.1 6.5 5.2
dic 23 30.7 17.7 12.3 6.3 5.1
en 24 29.8 17.1 13.7 6.7 5.1
feb 24 30.3 17.8 13 6.7 4.7
mar 24 29.5 17.3 13.9 6.8 4.5
abr 24 29.4 17.2 13.3 7.3 4.4
mayo 24 29.9 16.9 13.5 8.2 3.9
jun 24 31.2 17.5 13.1 6.5 4
jul 24 30.6 17.3 13.8 6.6 4.2
ag 24 30.4 17.3 14.1 6.9 3.8
sept 24 31 17 14.6 6.7 3.7
oct 24 31.5 17.8 13.4 6.8 3.8
nov 24 33.2 17.8 12.2 6.7 4
dic 24 32.1 18.1 13 7 3.5
en 25 30.8 17.7 13.2 8.9 3.4
feb 25 31.2 18 13.5 8.4 3.2
mar 25 31.2 17.9 13 8.3 3
abr 25 31.2 17.8 12.4 8.2 2.7
mayo 25 31.3 17.5 12.3 8.9 2.5
jun 25 31.5 17.9 12.3 8.7 2.2