los nombres de las columnas:
[1] - Marcador
[2] - yandex.ru
[3] - google.com
[4] - away.vk.com
[5] - ya.ru
Fecha         [1]      [2]      [3]      [4]      [5]
dic 22       72.4     12.7      5.9      3.3    0.028
en 23        71.3     12.4      6.7      3.1    0.034
feb 23       70.2     13.1      6.7      2.9    0.037
mar 23       68.2       13      6.7      2.8    0.036
abr 23       71.6     14.1      7.3      2.8     0.11
mayo 23      71.1     13.9      7.5        3    0.061
jun 23       70.7     13.7      7.4      2.9     0.19
jul 23       70.2     14.4      7.3      2.9    0.049
ag 23        69.8       14      7.1        3      1.5
sept 23      70.3     13.3      7.3      2.9      1.8
oct 23         70     12.9        8      3.1      1.9
nov 23         71     12.5      7.6        3      1.9
dic 23       71.6       12      7.4      3.1      1.9
en 24        70.8     12.7      7.6      3.1        2
feb 24       71.6     12.4      7.6      2.7        2
mar 24       70.7     13.1      7.6        3      2.1
abr 24       70.6     12.6        8      3.1      2.1
mayo 24      70.5     12.6      8.5      2.5      2.1
jun 24       71.8     12.5      7.6      2.2        2
jul 24       71.1     12.9      7.6      1.9        2
ag 24        70.7     13.2      7.8        2      2.1
sept 24      70.7     13.7      7.7      1.2      2.2
oct 24       72.1       13      7.7      0.8      2.1
nov 24       73.4     12.3      7.6     0.45      2.2
dic 24       72.8     12.8      7.8     0.47      2.3
en 25        70.6     12.9        9     0.82      2.3
feb 25       71.4     13.1      8.8     0.41      2.4
mar 25       71.8     12.8      8.7     0.35      2.4
abr 25       71.8     12.3      8.6     0.67      2.2
mayo 25      71.9     12.3      9.2     0.29      2.1
jun 25       72.3     12.2        9     0.28      2.1