los nombres de las columnas:
[1] - Google
[2] - Yandex
[3] - Search.Mail.ru
[4] - Bing
[5] - Yandex (imágenes)
Fecha         [1]      [2]      [3]      [4]      [5]
nov 22       32.7       62      2.2    0.085    0.085
dic 22       49.8     46.6      1.5    0.012    0.024
en 23        64.9     32.7     0.73    0.083   0.0069
feb 23       68.2     30.4     0.39    0.073     0.02
mar 23       74.3     21.8     0.48     0.18    0.016
abr 23       73.6     20.2     0.84     0.18   0.0099
mayo 23      63.8       31      1.2    0.035    0.026
jun 23       55.3     39.1      1.8    0.011    0.021
jul 23       53.1     36.1      2.5   0.0081   0.0041
ag 23        49.5     42.7      4.1    0.037   0.0031
sept 23      55.7     33.7      5.7   0.0043        0
oct 23       60.2     27.8      6.3        0    0.021
nov 23       62.2     32.4        2    0.008    0.032
dic 23         62     32.9      1.2    0.018    0.027
en 24        62.9     31.8      1.3     0.06    0.043
feb 24       56.1     36.4      1.6     0.43     0.01
mar 24       61.9     33.1      1.1     0.23        0
abr 24       64.1     34.8     0.45     0.12        0
mayo 24      68.2     31.4     0.28    0.021    0.031
jun 24       58.7     40.8     0.41        0    0.013
jul 24       59.4     40.3     0.21    0.012    0.024
ag 24          59     40.6     0.37    0.012    0.024
sept 24        53     46.5     0.51        0        0
oct 24       50.5     48.9     0.51    0.086        0
nov 24       57.1     42.9        0        0        0
dic 24       52.9     47.1        0        0        0
en 25        26.6     73.4        0        0        0
feb 25       29.1     70.4     0.48        0        0
mar 25       46.4     53.6        0        0        0
abr 25       52.4     47.6        0        0        0
mayo 25      23.1     76.9        0        0        0