los nombres de las columnas:
[1] - Rusia
[2] - Alemania
[3] - Bielorusia
[4] - Finlandia
[5] - EEUU
Fecha         [1]      [2]      [3]      [4]      [5]
oct 22        397      7.3     36.6     0.81      4.6
nov 22        413      8.5     35.6      1.4      5.2
dic 22        449      8.1     37.3      1.3      5.5
en 23         450     10.4     39.1      3.2        5
feb 23        441      8.1     38.5      3.1      4.8
mar 23        430      8.4       33      3.2      4.3
abr 23        365      7.5     37.5      3.1        4
mayo 23       354        7     32.3     0.45      4.3
jun 23        297      5.5     23.2     0.37      4.2
jul 23        244      6.9     17.9      2.4      3.5
ag 23         239     10.2     20.1      2.4        4
sept 23       306     10.9     48.9      3.2        3
oct 23        276      8.4     18.7      4.4       21
nov 23        257      4.4     15.3      1.4     23.3
dic 23        262      6.2     15.5     0.84     23.1
en 24         266     12.8     15.2      1.2     22.1
feb 24        202     17.1     12.5        2     22.1
mar 24        165     14.4      8.7      4.1      3.6
abr 24        124     17.5      9.4      7.5      1.8
mayo 24       114     10.6      5.7      3.2      3.9
jun 24       96.4     12.7      5.3      2.5      3.6
jul 24       86.2     16.3      4.5      4.6        3
ag 24        91.3     13.9      5.6      5.1      2.7
sept 24       126      6.8     34.9      3.1      3.4
oct 24        105      6.4      7.1      2.4      2.6
nov 24         77      6.7      6.8      2.9      2.9
dic 24       74.7      5.8      5.6      3.8      1.8
en 25         101      2.7      8.6      1.9      1.8
feb 25         86      6.2      6.9      5.3      2.9
mar 25       59.7      4.5        3      2.3      2.2
abr 25       47.1      6.3      4.4      3.9      1.9