los nombres de las columnas:
[1] - Otros
[2] - rusvesna.su
[3] - tsargrad.tv
[4] - aftershock.news
[5] - ria.ru
Fecha         [1]      [2]      [3]      [4]      [5]
dic 22         52      7.9      1.3      4.4      2.8
en 23        51.1     12.6     0.81      3.3      1.2
feb 23       52.7     12.5      1.4      3.2      1.9
mar 23       56.9      7.6     0.91      2.3      1.7
abr 23       59.8      6.2      1.7      3.3      1.3
mayo 23      53.9     10.3      1.7      5.2        2
jun 23       55.1      9.2      2.1      4.6      1.7
jul 23       51.9      8.4      2.5      1.8      1.6
ag 23        50.9      4.8      2.6      2.2      1.7
sept 23      47.8      5.7      2.6      2.5      1.7
oct 23       46.8      3.5      2.7      2.5      1.9
nov 23       50.4      3.3      3.2      2.4      1.8
dic 23       58.7      1.8      2.1      2.3      1.4
en 24        51.5        3        4        3      1.8
feb 24       54.7      3.4        3      2.7      2.5
mar 24       57.9      5.5      2.2      2.1      1.4
abr 24       45.7      2.6      1.6      1.9      1.9
mayo 24      44.6      1.6      2.3        2      3.1
jun 24       37.7      1.4      4.4      3.3      2.6
jul 24       38.6     0.96        5     0.54      3.3
ag 24        35.3      2.4      5.3      1.3      2.3
sept 24      35.6      1.2      3.9      1.4      1.9
oct 24       36.6      2.5      2.9        2      2.8
nov 24       37.4      1.1      4.6      2.4      2.1
dic 24       37.5      2.6      3.4      3.5      2.4
en 25        35.7      1.4      4.1      2.6      2.9
feb 25       33.3     0.61      2.9      2.7      3.5
mar 25         33      1.9      2.5      1.8      2.8
abr 25       28.7      1.4      3.5      1.2      3.2
mayo 25      21.3      1.2      4.6      4.1        3
jun 25       16.4      1.3      3.6      2.1      3.1