les titres des colonnes:
[1] - Russie
[2] - BiƩlorussie
[3] - Kazakhstan
[4] - Allemagne
[5] - France
Date          [1]      [2]      [3]      [4]      [5]
22 oct       79.1      3.7        3      1.8      1.3
29 oct         79      3.3      2.8      1.8      1.3
5 nov        78.3      3.5      2.9      1.9      1.4
12 nov       79.4      3.5      2.7      1.8      1.3
19 nov       79.2      3.5      2.7      1.8      1.3
26 nov         80      3.2      2.6      1.7      1.4
3 dec        80.5      3.4      2.6      1.6      1.2
10 dec       80.5      3.6      2.8      1.6      1.3
17 dec         80      3.8        3      1.6        1
24 dec       79.5      3.9        3      1.6      1.2
31 dec       78.8        4      2.9      1.7      1.3
7 jan        78.7      4.4      3.1      1.7      1.3
14 jan       80.2      3.9      2.8      1.6      1.3
21 jan       79.8      3.8      2.8      1.7      1.3
28 jan       79.8      3.9      2.8      1.7      1.3
4 fev        80.3      3.7      2.8      1.7      1.2
11 fev       80.2      3.8      2.9      1.8      1.2
18 fev       80.7      3.8      2.9      1.7      1.2
25 fev       80.3      3.5      2.9      1.8      1.3
3 mar        80.8      3.5      2.8      1.7      1.2
10 mar       81.4      3.4      2.6      1.6      1.2
17 mar       82.8      2.8      2.2      1.7      1.3
24 mar       81.5      3.3      2.3      1.7      1.4
31 mar       80.5      3.5      2.7      1.9      1.3
7 avr          81      3.6      2.4      1.9      1.2
14 avr       81.7      3.1      2.4      1.9      1.1
21 avr       81.7        3      2.4        2      1.1
28 avr       81.5      3.2      2.4      1.9      1.1
5 mai        80.3      3.9      2.7      1.9     0.91
12 mai       82.1      3.1      2.4      1.6        1
18 mai         82      3.2      2.5      1.6     0.94