<10 mm | 10–14 mm | 15–19 mm | 20 + mm | Total | |||||
---|---|---|---|---|---|---|---|---|---|
N | % | N | % | N | % | N | % | ||
<20 | 42.1 | 36.1 | 64.2 | 54.9 | 9.5 | 8.2 | 1.0 | 0.9 | 116.9 |
20–24 | 836.9 | 52.5 | 535.7 | 33.6 | 154.5 | 9.7 | 68.2 | 4.3 | 1595.3 |
25–29 | 957.8 | 42.0 | 974.4 | 42.8 | 238.3 | 10.5 | 108.4 | 4.8 | 2278.8 |
30–34 | 510.3 | 49.8 | 424.0 | 41.4 | 62.7 | 6.1 | 27.1 | 2.6 | 1024.0 |
35–39 | 140.5 | 58.5 | 56.7 | 23.6 | 32.6 | 13.6 | 10.5 | 4.4 | 240.3 |
Total | 2487.6 | 47.3 | 2054.9 | 39.1 | 497.6 | 9.5 | 215.2 | 4.1 | 5255.3 |