los nombres de las columnas:
[1] - yandex.ru
[2] - Marcador
[3] - google.com
[4] - No definido
[5] - lo.ners.ru
Fecha         [1]      [2]      [3]      [4]      [5]
nov 22       13.5     15.4      3.2      9.8        0
dic 22         13     15.8      2.8     12.1        0
en 23          12     18.1      3.4      7.1        0
feb 23       13.2     18.4      1.9      9.2        0
mar 23       14.2     18.3      2.6      9.4        0
abr 23       12.6     15.9      5.1        8        0
mayo 23      26.8     16.6      2.5      8.6        0
jun 23       18.7     16.3      2.5      8.1        0
jul 23       20.8     19.2      1.7      6.6        0
ag 23        10.4     15.2      2.5      7.6        0
sept 23      12.5     16.8      2.3        5        0
oct 23       11.3     17.3      3.4      3.4        0
nov 23         12     24.4      2.4      2.8        0
dic 23        7.3     51.2     0.87      2.4        0
en 24        11.6     20.9      1.7      4.4        0
feb 24       14.7     26.4        2      3.1        0
mar 24       13.3     32.3      2.8        5        0
abr 24       13.4     27.9      2.7      3.8        0
mayo 24      16.8     27.4      2.4      4.5        0
jun 24       19.8       26      3.3      2.6        0
jul 24       18.4     28.4      2.3        2        0
ag 24        23.8     21.2      2.9      1.7        0
sept 24      24.4     19.6      2.5      2.8        0
oct 24         22     17.9      4.7      2.7        0
nov 24       20.1       16        6      2.8        0
dic 24       16.2     22.7        5      2.1        0
en 25        12.8     15.8      3.7      4.4        0
feb 25       16.7     18.3      6.3      3.3        0
mar 25         16     30.4      5.4      2.6     0.76
abr 25        9.8     28.4      3.6     0.96     0.72
mayo 25      18.5     17.6      5.9      2.5      2.5