Up to 20 years

1.1

21 - 25 years

3.3

26 - 30 years

6.0

31 - 35 years

8.9

36 - 40 years

12.0

41 - 45 years

8.7

46 - 50 years

7.6

51 - 55 years

8.7

56 - 60 years

11.1

61 - 65 years

10.9

65 - 70 years

6.9

70 years and more

14.8