los nombres de las columnas:
[1] - 1 sesión
[2] - 2 sesiones
[3] - de 3 a 5 sesiones
[4] - de 6 a 10 sesiones
[5] - más de 10 sesiones
Fecha         [1]      [2]      [3]      [4]      [5]
dic 22       50.4       18     21.8      8.3      1.4
en 23        51.5     17.3     21.3      8.5      1.5
feb 23       52.9       17     20.5      8.2      1.4
mar 23         55     16.3     19.8      7.7      1.3
abr 23       51.5     17.8     21.4      8.1      1.3
mayo 23      52.1     17.6     21.1        8      1.3
jun 23       52.6     17.3     20.6      8.1      1.4
jul 23       54.5     16.9     19.9      7.5      1.2
ag 23        54.4       17     19.9      7.4      1.2
sept 23      53.8     17.4     20.4      7.3      1.1
oct 23       53.3     17.3     20.5      7.7      1.2
nov 23       52.9     17.5     20.8      7.6      1.2
dic 23       52.3     17.7     21.1      7.7      1.2
en 24        52.4       17       21      8.2      1.4
feb 24       51.3     17.5     21.5      8.3      1.4
mar 24       51.8     17.3     21.1      8.3      1.4
abr 24       52.6     17.6     20.9      7.7      1.2
mayo 24      53.2     17.4     20.6      7.6      1.2
jun 24       52.9     17.8     20.7      7.5      1.2
jul 24       53.6     17.6     20.4      7.3      1.1
ag 24        53.7     17.4     20.3      7.4      1.2
sept 24      54.7     17.3       20        7        1
oct 24         53     17.8     20.9      7.3      1.1
nov 24       52.7     17.7       21      7.4      1.1
dic 24         52     17.7     21.3      7.8      1.2
en 25        53.3     17.2     20.6      7.7      1.2
feb 25       52.9     17.5     20.8      7.7      1.2
mar 25       52.4     17.6       21      7.8      1.3
abr 25       53.3     17.8     20.6      7.2      1.1
mayo 25        54     17.7     20.2        7      1.1
jun 25       53.2     17.4     20.5      7.6      1.3