les titres des colonnes:
[1] - Autres
[2] - corbina
[3] - rostelecom
[4] - garant-g
[5] - sibirtelecom
Date          [1]      [2]      [3]      [4]      [5]
27 oct       56.2     13.7     20.5      5.5      4.1
3 nov        66.7     16.7     11.1      1.4      4.2
10 nov       53.7     18.5     16.7      7.4      3.7
17 nov       58.3     19.4     19.4      2.8        0
24 nov       53.5     20.9     20.9      2.3      2.3
1 dec        47.5       30       15      2.5        5
8 dec        51.4     17.1       20      5.7      5.7
15 dec       75.7      3.9     19.9     0.25     0.25
22 dec       44.9     14.3     28.6      8.2      4.1
29 dec       39.3     17.9     32.1      7.1      3.6
5 jan        31.3     37.5       25      6.2        0
12 jan       46.7     26.7     16.7      6.7      3.3
19 jan       41.2     17.6     29.4     11.8        0
26 jan       43.8     31.3        0       25        0
2 fev        75.5      4.7     19.8    0.076        0
9 fev        76.3      5.8     17.3        0     0.72
16 fev       62.7     10.7       20      2.7        4
23 fev       35.7     21.4     32.1      7.1      3.6
2 mar        21.1     31.6     10.5     21.1     15.8
9 mar          44       20        8       20        8
16 mar       31.3     43.8     12.5        0     12.5
23 mar       26.7     23.3     13.3     13.3       20
30 mar         13     17.4      4.3     34.8     26.1
6 avr        16.7     33.3      5.6     11.1     27.8
13 avr       21.7     39.1      4.3       13     17.4
20 avr        5.9     29.4        0      5.9     23.5
27 avr          0     31.8      4.5      9.1     22.7
4 mai           0     29.4     11.8     17.6     11.8
11 mai          0     37.5     18.8        0     12.5
18 mai          0     38.5      7.7      7.7     15.4
21 mai          0     33.3        0        0     33.3