los nombres de las columnas:
[1] - vkontakte.ru
[2] - odnoklassniki.ru
[3] - diary.ru
[4] - facebook.com
[5] - livejournal.com
Fecha         [1]      [2]      [3]      [4]      [5]
nov 22       47.5     18.5     15.6      8.1      4.4
dic 22       48.8     17.9     14.3      7.3      4.1
en 23        44.6     18.1       16      9.2      4.2
feb 23       42.3     17.6     16.4     10.6      4.9
mar 23       41.9     17.3     17.3     10.6      4.2
abr 23       43.3     17.1       16      9.9        4
mayo 23      42.6     16.5     17.3      8.9        4
jun 23       41.8     16.6     15.9      8.6        4
jul 23       43.1     14.9     17.1        7      4.6
ag 23          44     13.6     16.7      5.7        4
sept 23      40.9     12.4     15.7      6.2      3.6
oct 23       38.5     14.1     14.2      6.7      4.3
nov 23       37.4     13.1     14.7      9.1      3.9
dic 23       36.9     12.1     13.6      6.2      3.4
en 24        28.6      8.4     13.3        5      3.3
feb 24       23.1      5.5     10.9        5      2.5
mar 24       25.1      6.3     11.3      6.9      3.4
abr 24       31.8      7.4     15.2      6.6      4.5
mayo 24      38.5      9.8     20.9      8.4      5.6
jun 24       40.5     10.1     24.4      9.3      6.3
jul 24       40.7     10.2     22.8      8.7      5.9
ag 24        44.8     13.4       20      6.7        6
sept 24      46.4     14.6     16.6      7.6      5.6
oct 24       44.4     15.4     15.7      7.8      5.5
nov 24       43.5     17.8     16.3      8.4      5.7
dic 24       40.3     18.6     18.2        6      5.9
en 25        41.5     17.6     19.3      6.8      6.4
feb 25       41.8       15       19     10.9      6.5
mar 25       42.6     14.4     20.6      8.4      6.4
abr 25       59.6      9.2     15.4      5.2        5
mayo 25      61.1      9.1     15.4      4.6      4.2