títulos das colunas:
[1] - marcadores
[2] - indefinido
[3] - yandex.ru
[4] - google.com
[5] - outros
Data          [1]      [2]      [3]      [4]      [5]
Nov, 24      32.7     17.9     12.5      6.5      3.7
Dez, 1       32.9     17.8     12.3      6.6      3.9
Dez, 8       32.2     18.4     12.7      6.6      3.6
Dez, 15      31.9       18     13.5      6.8      3.5
Dez, 22      32.1     18.1       13      7.3      3.3
Dez, 29      32.2     17.9     12.8      7.2      3.3
Jan, 5       30.3     16.9     12.7     10.8      3.2
Jan, 12      30.7     17.5     12.9        9      3.8
Jan, 19      31.3     17.7     12.8      8.5      3.2
Jan, 26        31     18.1     13.8        8      3.1
Fev, 2       31.3     18.5     13.6      7.9      3.3
Fev, 9       31.2     18.1     13.6      8.4      3.2
Fev, 16      31.2     18.1     13.4        9      3.2
Fev, 23      31.4       18     13.1      8.3        3
Mar, 2       30.6     17.6     13.5      8.4        3
Mar, 9       31.3       18     13.1        8        3
Mar, 16      30.9     18.1     13.4      8.1      3.1
Mar, 23      31.5     17.7       13      8.3      2.8
Mar, 30      31.4       18     12.6      8.5      2.7
Abr, 6       31.5     18.1       12      8.2      2.9
Abr, 13      31.2       18     12.5      8.6      2.7
Abr, 20      30.9     17.6     12.3      7.8      2.5
Abr, 27        31     17.4     12.5      8.2      2.6
Maio, 4      32.1     17.1     12.2      8.2      2.7
Maio, 11      31.5     17.1       13        9      2.4
Maio, 18      31.4     17.8     12.6      8.6      2.4
Maio, 25      31.8     18.2     12.3      8.4      2.4
Jun, 1       30.2     17.1     11.6       10      2.2
Jun, 8       30.9     17.5     11.8      8.7      2.2
Jun, 15      32.1     17.9     12.6      8.7      2.3
Jun, 21      31.2     18.5     12.4      8.8      2.2