Since you're in your gap year, I suggest you try some online courses to see how much you really like data analysis.
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https://www.coursera.org/learn/excel-intermediate-1 (always useful)
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https://www.coursera.org/learn/excel-intermediate-2
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https://www.coursera.org/learn/excel-advanced
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https://www.coursera.org/learn/data-analytics-business (to learn about what your job in data analytics would entail)
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https://www.coursera.org/learn/predictive-modeling-analytics
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https://www.coursera.org/learn/business-analytics-decision-making
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https://www.coursera.org/learn/communicating-business-analytics-results
You can find many more, though I think these would be most useful to you.