node setup:

read data - python script:

import csv

data = []

with open('/Users/chris/downloads/nueva_data.csv') as f:
    reader = csv.reader(f)
    for row in reader:
        data.append(row)
        

result:

Note: i am using a Macbook so your file path string might look different.

node setup:

read data - python script:

import csv

data = []

with open('/Users/chris/downloads/nueva_data.csv') as f:
    reader = csv.reader(f)
    for row in reader:
        data.append(row)
        

result:

Note: i am using a Macbook so your file path string might look different.

Update:

unfortunately with the upper version and with 8 Mio data entries it feels like waiting endless for a result. So this version just reads one time on frame 1: