los nombres de las columnas:
[1] - Rusia
[2] - Kazakistan
[3] - Bielorusia
[4] - Alemania
[5] - EEUU
Fecha         [1]      [2]      [3]      [4]      [5]
oct 22       67.2      9.7      6.4      1.3     0.88
nov 22       67.8        9      6.2      1.5      0.9
dic 22       70.9      6.5      6.2      1.3     0.92
en 23        67.7      9.8      6.1      1.4     0.84
feb 23       68.3      8.1      6.4      1.3     0.78
mar 23       71.6      7.1      5.8      1.5      0.8
abr 23       68.9      7.5      7.5      1.5     0.88
mayo 23      64.5      7.4      6.1      1.3      0.9
jun 23       73.2      5.2      6.1      1.5        1
jul 23       72.1        5      5.8      1.9      1.2
ag 23          72      4.5      6.7      2.4      1.3
sept 23      69.1      6.3     10.2      2.1     0.74
oct 23         74      5.9      5.3      1.9      1.6
nov 23       75.7      5.7      4.9      1.2      1.7
dic 23       77.3      4.2      4.7      1.4      1.6
en 24        75.5      5.3      4.9      2.5      1.7
feb 24       73.6      5.4      5.1      3.8      2.8
mar 24       76.3      4.8      4.5      3.9      1.3
abr 24       70.9      4.9      5.9      5.6     0.96
mayo 24      75.1      5.2      4.2      3.9      1.9
jun 24       74.9      2.6      4.8      5.9      2.3
jul 24       72.7      2.6      4.3      7.5      2.3
ag 24        71.6        3        5      6.7        2
sept 24      66.9      3.2     16.7      2.3      1.6
oct 24       75.4        4      5.3      2.9      1.9
nov 24         70      4.3      6.6      3.6      2.5
dic 24       69.8      4.1      6.1      4.1      1.4
en 25        74.3      3.9      6.8      1.4      1.3
feb 25       69.9      2.9        6      3.6      2.2
mar 25         72      1.8      4.8      3.9      2.4
abr 25       62.7      2.3      6.7      5.6      2.6