los nombres de las columnas:
[1] - Marcador
[2] - yandex.ru
[3] - google.com
[4] - lo.ners.ru
[5] - ya.ru
Fecha         [1]      [2]      [3]      [4]      [5]
nov 22       15.4     13.5      3.2        0        0
dic 22       15.8       13      2.8        0        0
en 23        18.1       12      3.4        0        0
feb 23       18.4     13.2      1.9        0        0
mar 23       18.3     14.2      2.6        0        0
abr 23       15.9     12.6      5.1        0        0
mayo 23      16.6     26.8      2.5        0        0
jun 23       16.3     18.7      2.5        0        0
jul 23       19.2     20.8      1.7        0        0
ag 23        15.2     10.4      2.5        0     12.4
sept 23      16.8     12.5      2.3        0      2.4
oct 23       17.3     11.3      3.4        0      1.8
nov 23       24.4       12      2.4        0      4.2
dic 23       51.2      7.3     0.87        0      2.4
en 24        20.9     11.6      1.7        0        5
feb 24       26.4     14.7        2        0      2.4
mar 24       32.3     13.3      2.8        0      2.4
abr 24       27.9     13.4      2.7        0      3.3
mayo 24      27.4     16.8      2.4        0      3.3
jun 24         26     19.8      3.3        0      1.8
jul 24       28.4     18.4      2.3        0      2.7
ag 24        21.2     23.8      2.9        0      2.2
sept 24      19.6     24.4      2.5        0      2.9
oct 24       17.9       22      4.7        0      3.6
nov 24         16     20.1        6        0      2.1
dic 24       22.7     16.2        5        0     0.98
en 25        15.8     12.8      3.7        0      1.5
feb 25       18.3     16.7      6.3        0      3.1
mar 25       30.4       16      5.4     0.76      1.4
abr 25       28.4      9.8      3.6     0.72      1.8
mayo 25      21.3     19.1      5.3      2.7      2.1