los nombres de las columnas:
[1] - Otros
[2] - Marcador
[3] - yandex.ru
[4] - No definido
[5] - e.mail.ru
Fecha         [1]      [2]      [3]      [4]      [5]
nov 22       52.1     15.4     13.5      9.8      2.4
dic 22       50.6     15.8       13     12.1      2.8
en 23        52.4     18.1       12      7.1        3
feb 23       51.5     18.4     13.2      9.2        2
mar 23       49.8     18.3     14.2      9.4      2.1
abr 23       52.7     15.9     12.6        8      1.1
mayo 23      38.9     16.6     26.8      8.6      1.6
jun 23       46.1     16.3     18.7      8.1      1.7
jul 23       44.5     19.2     20.8      6.6      1.2
ag 23        44.5     15.2     10.4      7.6      1.3
sept 23      52.7     16.8     12.5        5      2.3
oct 23       55.5     17.3     11.3      3.4      1.7
nov 23       45.1     24.4       12      2.8      1.8
dic 23         31     51.2      7.3      2.4     0.65
en 24        47.1     20.9     11.6      4.4      1.7
feb 24       40.9     26.4     14.7      3.1        2
mar 24       35.4     32.3     13.3        5      1.3
abr 24       37.3     27.9     13.4      3.8      2.1
mayo 24      35.8     27.4     16.8      4.5     0.96
jun 24       35.6       26     19.8      2.6      1.3
jul 24       34.2     28.4     18.4        2      2.2
ag 24          35     21.2     23.8      1.7      1.1
sept 24      32.2     19.6     24.4      2.8      2.1
oct 24       36.2     17.9       22      2.7      0.9
nov 24       39.1       16     20.1      2.8     0.88
dic 24       38.7     22.7     16.2      2.1      1.3
en 25        48.6     15.8     12.8      4.4      2.2
feb 25       32.6     18.3     16.7      3.3      2.4
mar 25       23.4     30.4       16      2.6      1.5
abr 25       18.7     28.4      9.8     0.96      1.2
mayo 25         0     23.4     14.5      1.2      1.5