Age and sex

1997

1998

1999

2000

2001

Percent (95% confidence interval)

Total

63.3 (62.6-64.0)

62.1 (61.4-62.9)

62.6 (61.7-63.4)

61.5 (60.6-62.3)

62.7 (62.0-63.4)

Age group

18-25 years
18-20 years
21-25 years
26 years and over
26-34 years
35-49 years
50 years and over

63.3 (61.3-65.2)
50.5 (47.2-53.7)
71.7 (69.7-73.7)
63.3 (62.6-64.0)
72.4 (71.1-73.7)
70.0 (68.9-71.0)
52.4 (51.3-53.5)

61.9 (59.9-63.9)
49.0 (45.6-52.5)
70.1 (67.7-72.4)
62.2 (61.4-63.0)
71.9 (70.5-73.3)
68.9 (67.8-70.1)
51.2 (50.1-52.3)

63.6 (61.4-65.8)
51.4 (47.7-55.0)
71.2 (68.8-73.5)
62.4 (61.6-63.2)
71.7 (70.1-73.2)
70.0 (68.8-71.2)
51.1 (50.0-52.2)

60.7 (58.5-62.8)
47.4 (44.0-50.9)
69.2 (66.7-71.7)
61.6 (60.8-62.5)
70.4 (69.0-71.9)
68.2 (67.0-69.4)
51.7 (50.6-52.9)

64.7 (62.6-66.8)
54.6 (51.0-58.2)
71.0 (68.7-73.3)
62.3 (61.6-63.1)
71.5 (70.2-72.8)
69.1 (68.0-70.2)
52.4 (51.3-53.5)

Sex and age

Men
Total
18-25 years
26 years and over
Women
Total
18-25 years
26 years and over

70.3 (69.5-71.2)
68.4 (65.6-71.2)
70.6 (69.8-71.5)

56.8 (55.9-57.8)
58.1 (55.7-60.6)
56.6 (55.6-57.6)

69.2 (68.2-70.1)
68.7 (65.9-71.5)
69.2 (68.2-70.3)

55.7 (54.8-56.6)
55.2 (52.3-58.0)
55.8 (54.8-56.7)

69.8 (68.8-70.8)
68.8 (66.0-71.7)
60.0 (68.9-71.0)

56.0 (54.9-57.1)
58.5 (55.5-61.4)
55.6 (54.5-56.7)

68.0 (67.0-69.0)
66.0 (63.2-68.9)
68.4 (67.4-69.4)

55.5 (54.4-56.6)
55.4 (52.7-58.1)
55.5 (54.4-56.6)

69.3 (68.4-70.3)
70.6 (67.8-73.5)
69.1 (68.1-70.1)

56.6 (55.6-57.5)
58.7 (55.8-61.5)
56.2 (55.3-57.2)