los nombres de las columnas:
[1] - Otros
[2] - mediametrics.ru
[3] - roza2017.ru
[4] - smi2.ru
[5] - ria.ru
Fecha         [1]      [2]      [3]      [4]      [5]
nov 22       32.8     22.6      3.3      3.1      2.3
dic 22       33.5     21.6      3.2      2.7      2.1
en 23        33.7     20.5      2.7      2.9      2.1
feb 23       36.5       16      2.3      2.7      2.1
mar 23       40.4     13.9      2.4      2.5      1.9
abr 23       42.7     12.6      2.4      2.4      1.7
mayo 23        41     12.6      2.3      2.3      1.7
jun 23       43.3     11.4      1.8      2.2      1.6
jul 23         51      9.9      1.4      1.8      1.2
ag 23          44     10.8      1.4      2.2      1.5
sept 23      37.4     13.3      1.9      2.4      1.7
oct 23       33.7     15.6        2      2.6      1.9
nov 23       34.2     14.5      2.7      2.7      1.8
dic 23       34.7     15.9      2.6      2.8      1.9
en 24        35.7     15.7      2.1        3        2
feb 24       33.8     15.2        2      3.3      2.2
mar 24       28.9     16.6      2.2      3.6      2.3
abr 24       28.1     12.7      2.5      3.2      2.2
mayo 24      27.2     10.2      2.6      3.6      2.3
jun 24       24.9     13.7        3      3.4      2.2
jul 24       24.2     15.2      2.8      3.7      2.2
ag 24        23.7     16.3      2.9      3.1      2.2
sept 24      24.7     15.6      2.5        1      2.3
oct 24       22.7     14.7      2.5     0.96      2.3
nov 24       19.9     16.9      2.1      1.1      2.6
dic 24       19.5     16.3      1.7      1.3        3
en 25        19.5     17.5      1.5      1.2        3
feb 25       18.8     16.6      2.4      1.1        3
mar 25       16.9     16.4      2.3      1.1      3.1
abr 25       14.7     16.5      1.8      1.1        3
mayo 25      13.3       17     0.37        1      3.2