Why are the Dutch Best at English?

"In the latest EF English Proficiency Index, the Netherlands ranked top, followed by Sweden and Norway. The Netherlands has consistently been in the top three of the ranking since it was first published in 2011. In the 2019 eddition of the Index, EF ranked the Netherlands top of the group with “Very high proficiency” with a total score of 70.27."
I am from Asia and still learning English. Can any Dutch friend tell me how to learn English so well as a second language?
Why are the Dutch Best at English?
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