los nombres de las columnas:
[1] - MoscĂș
[2] - Chelyabinsk
[3] - Tomsk
[4] - San Petersburgo
[5] - Samara
Fecha         [1]      [2]      [3]      [4]      [5]
nov 22        180     19.2      8.8        9      7.1
dic 22        116     15.6      6.9      3.4      5.1
en 23         162     20.5      8.7      6.2      2.2
feb 23        159     21.5      5.7     14.1      3.4
mar 23        170     21.9     0.39      3.6      2.4
abr 23        174     18.4     0.23     12.1      1.8
mayo 23       190     13.5     0.97      8.1      8.1
jun 23        181     21.5      0.3      7.6      1.8
jul 23        181     19.4        0      7.4      2.2
ag 23         200     11.3        0       13      1.6
sept 23       153     18.3     0.37      6.6        3
oct 23        185     17.6        0      9.9      2.5
nov 23        151     16.3        0      3.6      1.2
dic 23        150      9.5        0     10.4     0.48
en 24         169       16        0      9.1      2.9
feb 24        172      9.7    0.069     12.1      2.3
mar 24        162     10.5     0.23      9.3     0.52
abr 24        179      9.2     0.17      8.5      0.3
mayo 24       139      7.3     0.32      5.3      3.5
jun 24        149     11.4    0.033     12.4      1.5
jul 24        149     12.6     0.23     15.1      1.6
ag 24         167     15.4    0.032       11      4.1
sept 24       138       17    0.033     14.3        2
oct 24        154     13.2    0.065      8.8     0.81
nov 24        121        9      0.4      2.5      3.3
dic 24        118      6.3        0      9.6     0.58
en 25         102      9.2        0      2.5      1.3
feb 25        137     11.7    0.036      9.8      2.1
mar 25        111       12    0.032        4     0.16
abr 25        111       10     0.37     15.9    0.067
mayo 25      88.8      5.5     0.72      4.4     0.33