los nombres de las columnas:
[1] - ruso, Rusia [ru-ru]
[2] - inglés, EEUU [en-us]
[3] - ruso [ru]
[4] - Otros
Fecha         [1]      [2]      [3]      [4]
nov 22       44.5     11.9     27.5     16.1
dic 22       44.8     11.9     24.3       19
en 23        44.9      9.4     25.1     20.6
feb 23       45.7      9.8     29.2     15.3
mar 23       38.8     16.1     24.7     20.4
abr 23       38.2     18.4     21.9     21.5
mayo 23      39.8     14.1     25.5     20.5
jun 23       41.5     13.7     25.7     19.1
jul 23       46.4     19.7     18.1     15.8
ag 23        44.5     25.4     14.2     15.9
sept 23      48.9     17.3     16.1     17.7
oct 23       49.4     16.8     18.7     15.1
nov 23       45.3     16.7     19.5     18.5
dic 23       42.7       21     18.3       18
en 24        46.2     18.4     17.9     17.5
feb 24       45.6     19.2     18.6     16.6
mar 24       46.9     17.7     20.1     15.3
abr 24       46.1     17.8     20.5     15.7
mayo 24      40.1     27.7     18.9     13.3
jun 24       45.2     21.4     19.7     13.6
jul 24       44.3     22.4     19.2     14.1
ag 24        44.7     20.8     21.6     12.9
sept 24      43.6     21.3     17.4     17.7
oct 24       43.1     17.8     22.7     16.4
nov 24       59.9      7.1     22.8     10.2
dic 24       52.5      6.9     29.1     11.5
en 25        37.5     30.4     17.8     14.3
feb 25       41.6     13.2     22.3     22.9
mar 25       65.8     13.2     13.8      7.2
abr 25       65.3      5.8     20.7      4.1
mayo 25      70.9        0     25.5        0