los nombres de las columnas:
[1] - www.extra-m.ru
[2] - extra-m.ru
[3] - Otros
[4] - leningradskaya-oblast.extra-m.ru
[5] - nizhegorodskaya-oblast.extra-m.ru
Fecha         [1]      [2]      [3]      [4]      [5]
nov 22       67.1     24.2      4.6      1.2     0.56
dic 22       69.5     15.7      8.3      1.7     0.33
en 23        65.6     21.4      9.1      1.2     0.61
feb 23       70.3     17.9      8.5     0.81     0.72
mar 23       63.9     23.4      9.1     0.84     0.72
abr 23       59.3     26.6     10.4        1     0.65
mayo 23      64.2     25.4        7     0.56     0.79
jun 23       61.3     25.4      7.5      1.7     0.52
jul 23       63.4     25.5      5.4      1.4     0.14
ag 23        57.9     31.9      4.9      1.4     0.82
sept 23      60.2     29.8      4.8      1.1     0.54
oct 23       58.2     30.1      5.4      1.1     0.56
nov 23       53.6     32.9      7.5      1.2        1
dic 23       45.5     32.4     14.5      1.4      0.6
en 24        54.6     29.9      6.3      1.2     0.37
feb 24       53.3     32.5      6.8      1.2     0.36
mar 24       50.6     36.4        7      1.3     0.24
abr 24       44.7     36.8      8.3      3.2     0.43
mayo 24      47.7     33.6     11.2      1.8     0.18
jun 24       49.3     32.7      6.9      4.5      1.1
jul 24       54.5     36.1      2.2        3     0.48
ag 24        51.9     35.9      1.8      4.1     0.26
sept 24      51.5     35.6      2.5      3.5        1
oct 24       46.6       42      3.4      2.7     0.74
nov 24       46.2     43.4        2      2.9     0.39
dic 24       43.1       48        1      1.7      1.1
en 25        48.5     43.6      1.5      1.4      0.2
feb 25       50.1     39.7     0.27      1.1     0.43
mar 25       44.7       41     0.51      2.3     0.43
abr 25       41.8     37.2        0        3      1.1
mayo 25        53     25.3        0      4.8    0.087