títulos das colunas:
[1] - marcadores
[2] - yandex.ru
[3] - google.com
[4] - ya.ru
[5] - ntp.msn.com
Data          [1]      [2]      [3]      [4]      [5]
Nov, 24      73.2     12.5      7.5      2.2     0.59
Dez, 1       73.6     12.4      7.5      2.2     0.64
Dez, 8       73.4     12.6      7.5      2.3     0.64
Dez, 15      72.4     13.2      7.7      2.3     0.61
Dez, 22      72.8     12.8      7.9      2.3     0.62
Dez, 29      72.4     12.6      7.9      2.3     0.64
Jan, 5       69.9     12.6     10.1        2     0.47
Jan, 12      70.1     12.7      9.1      2.2     0.51
Jan, 19      70.8     12.7      8.7      2.3     0.58
Jan, 26      71.4     13.3      8.5      2.4     0.59
Fev, 2       71.9     13.3      8.4      2.4      0.6
Fev, 9       71.6     13.2      8.7      2.4      0.6
Fev, 16      71.3     13.2      9.2      2.4     0.59
Fev, 23      71.3       13      8.7      2.3     0.57
Mar, 2       70.5     13.2      8.8      2.4     0.58
Mar, 9       71.8       13      8.6      2.4      0.6
Mar, 16      72.1     13.1      8.6      2.4     0.61
Mar, 23      72.1     12.7      8.7      2.4     0.59
Mar, 30        72     12.5      8.8      2.4     0.57
Abr, 6       72.6     12.1      8.7      2.3     0.56
Abr, 13      72.3     12.4      8.9      2.3     0.58
Abr, 20      71.2     12.2      8.4      2.2     0.55
Abr, 27      71.2     12.3      8.6      2.2     0.54
Maio, 4      72.7     12.1      8.7      2.2      0.5
Maio, 11      72.1     12.6      9.2      2.1      0.5
Maio, 18      72.3     12.5        9      2.2     0.58
Maio, 25      72.7     12.3      8.8      2.2     0.59
Jun, 1       70.1     11.9      9.8      2.1     0.51
Jun, 8       71.8     11.9        9      2.1     0.51
Jun, 15      72.8     12.4        9      2.1     0.47
Jun, 21      72.3     12.4      9.1      2.1     0.55