222 total posts less 26 discussion posts = 196 answers:

18-19: (04) - 2%
20-29: (19) - 10%
30-39: (30) - 15%
40-49: (31) - 16%
50-59: (52) - 27%
60-69: (49) - 25%
70-79: (09) - 5%
80-89: (02) - 1%