2–5 years | 6–10 years | 11–15 years | 16–18 years | All 2–10 | All 11–18 | |
% (95% CI) | % (95% CI) | % (95% CI) | % (95% CI) | % (95% CI), [N] | % (95% CI), [N] | |
1995 | 4.4 (2.6 to 6.3) | 5.8 (3.9 to 7.7) | 4.6 (2.8 to 6.4) | 4.8 (2.4 to 7.2) | 5.2 (3.9 to 6.5), [1114] | 4.7 (3.2 to 6.1), [872] |
1996 | 5.7 (3.6 to 7.8) | 5.9 (4.1 to 7.7) | 5.6 (3.6 to 7.5) | 3.7 (1.7 to 5.6) | 5.8 (4.4 to 7.2), [1178] | 4.9 (3.5 to 6.3), [935] |
1997 | 5.7 (4.2 to 7.3) | 5.8 (4.5 to 7.1) | 4.9 (3.5 to 6.2) | 5.7 (2.2 to 9.2) | 5.8 (4.8 to 6.8), [2222] | 5.0 (3.7 to 6.2), [1241] |
1998 | 5.5 (3.4 to 7.7) | 4.7 (3.0 to 6.4) | 5.8 (3.8 to 7.8) | 7.4 (4.5 to 10.4) | 5.1 (3.8 to 6.4), [1082] | 6.3 (4.7 to 8.0), [899] |
1999 | 6.4 (3.3 to 9.6) | 7.3 (4.2 to 10.4) | 6.2 (3.1 to 9.2) | 8.7 (4.5 to 12.9) | 6.9 (4.7 to 9.1), [535] | 7.1 (4.7 to 9.6), [443] |
2000 | 4.1 (1.5 to 6.8) | 8.3 (5.1 to 11.5) | 7.2 (4.3 to 10.2) | 6.0 (1.9 to 10.1) | 6.6 (4.4 to 8.8), [537] | 6.8 (4.4 to 9.2), [443] |
2001 | 4.3 (2.3 to 6.3) | 6.3 (4.2 to 8.3) | 6.8 (4.6 to 9.0) | 8.4 (5.1,11.8) | 5.4 (4.0 to 6.8), [980] | 7.3 (5.5 to 9.1), [837] |
2002 | 6.7 (4.9 to 8.5) | 8.9 (7.2,10.6) | 7.6 (6.0 to 9.2) | 7.6 (5.5 to 9.7) | 8.0 (6.8 to 9.2), [1948] | 7.6 (6.3 to 8.9), [1838] |
2003 | 5.1 (2.7 to 7.5) | 7.2 (4.9 to 9.4) | 6.9 (4.7 to 9.1) | 7.5 (4.5,10.5) | 6.4 (4.7 to 8.1), [869] | 7.1 (5.3 to 8.9), [866] |
2004 | 4.9 (1.2 to 8.6) | 7.1 (3.5 to 10.7) | 10.1 (6.1,14.1) | 9.4 (4.0,14.9) | 6.3 (3.6 to 9.0), [338] | 9.8 (6.6 to 13.1), [360] |
2005 | 8.2 (5.0,11.5) | 9.8 (6.9,12.8) | 7.7 (5.1 to 10.2) | 7.0 (2.4,11.6) | 9.1 (7.0 to 11.3), [731] | 7.5 (5.3 to 9.7), [586] |
2006 | 5.9 (4.1 to 7.6) | 6.3 (4.8 to 7.8) | 6.0 (4.5 to 7.4) | 8.9 (5.3,12.4) | 6.1 (5.0 to 7.2), [1845] | 6.7 (5.3 to 8.0), [1372] |
2007 | 7.0 (5.1 to 8.8) | 7.6 (6.0 to 9.3) | 6.2 (3.9 to 6.4) | 5.2 (1.1 to 9.2) | 7.4 (6.2 to 8.5), [2021] | 6.1 (4.7 to 7.4), [1290] |
AACA† (%) | 0.21 | 0.15 | 0.13 | 0.03 | 0.18 | 0.12 |