los nombres de las columnas:
[1] - megafon
[2] - rostelecom
[3] - mts
[4] - horizon
[5] - beeline
Fecha         [1]      [2]      [3]      [4]      [5]
nov 22       14.5     11.7      9.6      6.3      6.2
dic 22       15.2     11.4      9.4      6.7      6.2
en 23        16.1     11.1      9.6      7.8      6.6
feb 23       15.9      9.3      8.9      6.8      6.2
mar 23       15.3      9.9      8.7      8.8      5.9
abr 23       13.4      8.4      7.5      9.5      5.5
mayo 23      14.6      8.3      7.7     12.5      5.5
jun 23       14.1      6.8      6.7     14.2      4.5
jul 23       14.4      7.1      7.4     11.9      4.4
ag 23        14.5      6.9      7.2     12.6      4.8
sept 23      11.5      7.9        7      9.8      4.8
oct 23       10.5      9.1      6.4      8.8      4.6
nov 23       10.1      9.2      7.7       10      4.5
dic 23         11     10.8     10.1      2.4      4.5
en 24          11       11     11.8      2.5      4.5
feb 24       11.4     10.1     12.7      1.6      4.7
mar 24       13.1     10.4     12.2        2      5.1
abr 24       15.1     11.2      8.2      5.4      5.7
mayo 24      15.8     11.1      8.6        4      5.6
jun 24       17.1     10.1      8.4      6.8      5.4
jul 24       16.5      9.3        8        8      5.4
ag 24        16.9     10.3      8.4      6.4      6.1
sept 24        17     11.2      8.8      2.2        6
oct 24       16.4     12.1      8.7      6.8      5.7
nov 24       15.6       12      8.4      8.3      5.6
dic 24       17.2     12.7      9.2      1.4      5.6
en 25        15.6     12.8        9    0.011      5.2
feb 25       15.6     13.4      8.9     0.02      5.4
mar 25       16.8     12.6      8.6      1.1      5.4
abr 25       16.3     10.6      7.9      6.7      4.9
mayo 25      16.8     10.2      7.9      2.9      5.5