los nombres de las columnas:
[1] - rostelecom
[2] - ncnet
[3] - Otros
[4] - netbynet
[5] - corbina
Fecha         [1]      [2]      [3]      [4]      [5]
oct 22       16.6        0     65.7        0      1.4
nov 22       21.8        0     63.9        0      2.8
dic 22       19.5        0     67.2        0      2.5
en 23        16.6        0     70.3        0      3.1
feb 23       18.5        0     62.1        0      4.8
mar 23       20.7        0     67.6        0      3.6
abr 23       20.5        0       70        0      2.1
mayo 23      19.8        0     64.8        0      3.5
jun 23       18.6        0     65.6        0      4.7
jul 23       15.9        0     67.8        0      2.9
ag 23        16.6        0     60.2        0      3.6
sept 23      15.4        0     65.7        0      3.4
oct 23       17.8        0     66.7        0      1.6
nov 23       17.6        0     66.7        0      2.3
dic 23       16.2        0     67.1        0      2.3
en 24        19.1        0     69.3        0     0.47
feb 24       14.6        0     65.3        0        3
mar 24        9.6        0     62.6        0      1.8
abr 24       17.7        0     63.5     0.99        2
mayo 24        17        0     62.1     0.45        4
jun 24       25.7        0     50.1      2.7      7.5
jul 24       25.8        0     51.1      1.6      6.7
ag 24        13.4     0.34     74.2     0.34      2.1
sept 24      20.2      1.9     55.7      1.9      4.2
oct 24       16.1     0.92     58.5     0.46      2.8
nov 24       22.8      1.8     51.3      2.7      3.6
dic 24       21.5      5.6     48.1      2.6      4.1
en 25        29.9      2.3     32.2      4.7      6.1
feb 25       36.6      8.1       15      7.3     10.4
mar 25       29.2      9.9      9.4      6.9      5.6
abr 25       30.5      8.4        0      5.6      4.6