What percentage of the dataset was removed due to invalid HelpfulnessNumerator/HelpfulnessDenominator values?

What percentage of the dataset was removed due to invalid HelpfulnessNumerator/HelpfulnessDenominator values?: a task in SmolDataEnvs-harbor-train (Harbor dataset). Files (in /home/user/input, no subfolders): - Reviews.csv - database.sqlite - hashes.txt