'Get 1,2,3,4,5 star average individually (1star% +2star% +3star% +4star% +5star%=100%)

Suppose i have rated a user with 1 star 3 times, 2star 1times, 4star 4 times, 5star 10times.now from here anyone can find out overall average rating but how can i get the percentage of 1star,2star ,3star,4star and 5star from total rating #show it on a django way

    rating = Rating.objects.filter(activity__creator=u)
    one_star_count = rating.filter(star='1').count()
    two_star_count = rating.filter(star='2').count()
    three_star_count = rating.filter(star='3').count()
    four_star_count = rating.filter(star='4').count()
    five_star_count = rating.filter(star='5').count()

    total_stars_count = one_star_count + two_star_count+ \
    three_star_count + four_star_count+ five_star_count


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