títulos das colunas:
[1] - marcadores
[2] - yandex.ru
[3] - outros
[4] - ya.ru
Data          [1]      [2]      [3]      [4]
Out, 20      47.6      4.5     42.4     0.36
Out, 27      63.3     16.3     16.3        2
Nov, 3       61.8      2.9     11.8        0
Nov, 10      59.4      9.4     21.9        0
Nov, 17      56.5        0     34.8      4.3
Nov, 24      69.7      6.1     15.2        0
Dez, 1       42.1     10.5     15.8     15.8
Dez, 8       65.4      3.8      7.7      7.7
Dez, 15      17.9      0.5     80.8    0.036
Dez, 22      68.8      4.2     18.8      2.1
Dez, 29      63.9      8.3     19.4      2.8
Jan, 5       47.4     26.3     21.1      5.3
Jan, 12      51.7     24.1     13.8      6.9
Jan, 19      61.5     19.2     19.2        0
Jan, 26      73.3     13.3     13.3        0
Fev, 2       52.3      6.4     38.2     0.56
Fev, 9         54      9.2     31.5     0.99
Fev, 16      53.2      7.6     36.7      1.3
Fev, 23        84        8        8        0
Mar, 2       86.7        0     13.3        0
Mar, 9       75.7     10.8      5.4      2.7
Mar, 16      38.5     30.8      7.7      7.7
Mar, 23      67.6      2.9      8.8      5.9
Mar, 30      84.4        0      6.2        0
Abr, 6       57.9        0     31.6        0
Abr, 13        64       20        0        0
Abr, 20      70.6     11.8     11.8      5.9
Abr, 27      83.3      5.6        0        0
Maio, 4      73.3        0        0        0
Maio, 11      15.4     38.5        0     15.4
Maio, 18      83.3     16.7        0        0