los nombres de las columnas:
[1] - Rusia
[2] - Moldavia
[3] - Bielorusia
[4] - Crimea
[5] - Ucrania
Fecha         [1]      [2]      [3]      [4]      [5]
oct 22       55.8      4.2      5.7      2.5       11
nov 22       56.5      5.9      6.6      4.5        8
dic 22         59      4.7      9.5      3.5      6.1
en 23        63.6      2.7      6.8      4.1        4
feb 23       60.5      1.5      6.4      4.3      6.8
mar 23       62.5      2.1      8.9        5        8
abr 23       64.6      2.4      8.9      3.9      4.5
mayo 23        65      1.2     10.5      3.6      5.5
jun 23       59.2      1.3      7.3      7.3      7.2
jul 23       51.3     0.81        8      3.8      5.3
ag 23        58.2      2.3     10.4      3.9        6
sept 23      60.2      2.3      7.9      6.1      5.2
oct 23       48.8      3.2     11.7      7.3      6.7
nov 23       46.4        3     11.7      8.5      5.1
dic 23       48.2      3.7     12.1      7.6      5.5
en 24        48.3      2.9      8.7     10.3      5.6
feb 24       44.2        4      6.6      6.9      7.8
mar 24       49.5     10.8      5.1      6.3      6.5
abr 24       43.2      8.4      7.6        8        9
mayo 24      46.1      5.1      6.5      5.5      7.5
jun 24       77.4      1.1      2.7      2.1      2.7
jul 24       73.7      2.6      3.1      1.4      2.8
ag 24        66.1      1.8      3.4        3      4.4
sept 24      57.8      8.6      6.7      2.3      5.5
oct 24       42.7     22.1      8.4      4.3      5.4
nov 24       38.7     15.2     10.7      6.5      6.3
dic 24         46     16.4      8.2      6.4      5.2
en 25        54.2     10.5      6.2      6.2      5.7
feb 25         86      4.4      2.4      1.7      1.4
mar 25       30.2     18.9     17.5      5.4      4.7
abr 25       39.1       15      9.3      3.6      3.7