what are all the age ranges?
0 to 4, 5 to 9, 10 to 14, 15 to 19, 20 to 24, 25 to 29, 30 to 34, 35 to 39, 40 to 44, 45 to 49, 50 to 54, 55 to 59, 60 to 64, 65 to 69, 70 to 74, 75 to 79, 80 to 84, 85 to 89, 90 and over
which of these has a percentage over 20% for none or not stated
0 to 4, 20 to 24, 25 to 29, 30 to 34
of these, which age range in the highest?
30 to 34