les titres des colonnes:
[1] - sitevisits/
[2] - /
[3] - advertising.html
[4] - earn/
[5] - tasks/
Date          [1]      [2]      [3]      [4]      [5]
17 nov        4.8     72.6      1.6        0      8.1
24 nov       17.6     62.2      1.4        0      4.1
1 dec        13.1     75.4      1.6        0      4.9
8 dec         6.8     69.5      3.4        0      3.4
15 dec       0.28     23.5      0.1        0      0.1
22 dec        8.1     58.1      6.8        0      6.8
29 dec       16.4     65.6      3.3        0      3.3
5 jan        23.5       50      2.9        0      8.8
12 jan       16.3     55.1      4.1        0      6.1
19 jan       17.8     57.8      6.7        0      6.7
26 jan       14.8     48.1     14.8        0        0
2 fev         0.1     99.7    0.021        0    0.063
9 fev         1.2     96.7     0.41        0     0.14
16 fev        3.8     89.1     0.54        0      1.6
23 fev       23.1     35.9      5.1        0      7.7
2 mar         7.1     53.6     17.9        0        0
9 mar          26       24       14        0        6
16 mar         19     38.1        0        0      4.8
23 mar       15.7     37.3     21.6        0     11.8
30 mar       18.4     36.7     22.4        0      6.1
6 avr         3.2     48.4     19.4        0      9.7
13 avr       22.5       40       10        0      7.5
20 avr       18.8     46.9      3.1        0      9.4
27 avr       21.6     51.4     10.8        0      2.7
4 mai          12       40       12        0       12
11 mai       20.8     45.8        0        0     12.5
18 mai       23.5     64.7      5.9        0        0
25 mai       20.8     66.7        0        0      8.3
1 juin       28.6     28.6      4.8        0       19
8 juin         50       15       10       10        5
12 juin      33.3     11.1     33.3        0        0