los nombres de las columnas:
[1] - Marcador
[2] - yandex.ru
[3] - Otros
[4] - extra-m.ru
[5] - google.com
Fecha         [1]      [2]      [3]      [4]      [5]
nov 22       72.6     13.1      8.1      3.1      3.1
dic 22       74.2     12.5      7.4      3.3      2.7
en 23        73.4     10.7      8.9      3.9      3.1
feb 23       72.4     12.1      9.1      4.7      1.7
mar 23       72.7     12.9      7.7      4.2      2.4
abr 23       75.2     12.2      4.8      2.1      5.7
mayo 23      65.1     25.5      4.6      2.3      2.5
jun 23       69.3     17.1      8.7      2.3      2.6
jul 23       71.3     19.2      4.8        3      1.7
ag 23        67.7      9.6      6.6      2.7      2.3
sept 23      74.5     11.8      6.6      2.7      2.1
oct 23       75.4     10.3      6.5      3.1      3.1
nov 23       73.5     10.6      7.2      2.8      2.3
dic 23       84.5      6.9      4.5      1.1     0.91
en 24        74.9     10.5      5.5        3      1.5
feb 24       75.3     13.3      4.8      2.8      1.8
mar 24       77.1     12.3      3.6      2.3      2.5
abr 24       77.7     11.8      3.3      1.9      2.4
mayo 24      74.4     14.8        4      1.8      2.1
jun 24       71.2     18.4      3.7      1.7      3.2
jul 24       72.5     17.4      2.6      2.7      2.3
ag 24        67.6     22.2      2.9      1.9        3
sept 24      66.2     22.3      4.3      2.2      2.3
oct 24       65.8     21.1      3.1      1.2      4.7
nov 24       66.3     18.7      4.5      1.7      5.6
dic 24       70.6     15.4      5.9      1.7        5
en 25        55.5     12.4     24.6      2.1      3.5
feb 25       69.8     15.5      3.5        1      5.9
mar 25         73     15.8      1.5      1.3      5.3
abr 25       78.3      9.7    0.074      1.9      3.6
mayo 25      71.6       18        0      1.6      4.9