|  |  | Genotype | Total | |||||
---|---|---|---|---|---|---|---|---|---|
 |  |  | 1a | 1b | 3a | 3b | Mixed | Untypable | |
Age group | 10–20 | Count | 0 | 0 | 13 | 2 | 0 | 8 | 23 |
% prevalence within Age group | .0% | .0% | 56.5% | 8.7% | .0% | 34.8% | 100.0% | ||
% prevalence within Genotype | .0% | .0% | 6.5% | 8.0% | .0% | 17.8% | 7.3% | ||
20–30 | Count | 4 | 1 | 53 | 5 | 7 | 11 | 81 | |
% prevalence within Age group | 4.9% | 1.2% | 65.4% | 6.2% | 8.6% | 13.6% | 100.0% | ||
% prevalence within Genotype | 26.7% | 11.1% | 26.5% | 20.0% | 31.8% | 24.4% | 25.6% | ||
30–40 | Count | 7 | 3 | 62 | 8 | 5 | 12 | 97 | |
% prevalence within Age group | 7.2% | 3.1% | 63.9% | 8.2% | 5.2% | 12.4% | 100.0% | ||
% prevalence within Genotype | 46.7% | 33.3% | 31.0% | 32.0% | 22.7% | 26.7% | 30.7% | ||
40–50 | Count | 4 | 4 | 40 | 5 | 6 | 6 | 65 | |
% prevalence within Age group | 6.2% | 6.2% | 61.5% | 7.7% | 9.2% | 9.2% | 100.0% | ||
% prevalence within Genotype | 26.7% | 44.4% | 20.0% | 20.0% | 27.3% | 13.3% | 20.6% | ||
50–60 | Count | 0 | 1 | 27 | 5 | 4 | 8 | 45 | |
% prevalence within Age group | .0% | 2.2% | 60.0% | 11.1% | 8.9% | 17.8% | 100.0% | ||
% prevalence within Genotype | .0% | 11.1% | 13.5% | 20.0% | 18.2% | 17.8% | 14.2% | ||
60+ | Count | 0 | 0 | 5 | 0 | 0 | 0 | 5 | |
% prevalence within Age group | .0% | .0% | 100.0% | .0% | .0% | .0% | 100.0% | ||
% prevalence within Genotype | .0% | .0% | 2.5% | .0% | .0% | .0% | 1.6% | ||
Total | Count | 15 | 9 | 200 | 25 | 22 | 45 | 316 | |
% prevalence within Age group | 4.7% | 2.8% | 63.3% | 7.9% | 7.0% | 14.2% | 100.0% | ||
% prevalence within Genotype | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |